10.Complete the sentences, using the correct form of the words in brackets.

1.   Light pollution make us                            to see the stars in the sky. (able)

2.   Noise is considered as                               pollution. (environment)

3.   The soil becomes                          because of the use of so many pesticides andfertilizers. (contaminate)

4.                                 waste spills can contaminate groundwater. (industry)

5.                                 habitats have been destroyed in recent years. (nature)

6.   A number of cleaning products contain                            chemicals. (harm)

7.   Water samples collected at these villages were seriously                                                 with bacteria. (contaminate)

8.   People believe that the                              water has brought cancer tothe local residents. (pollute)

9.   In many developing countries, water pollution is usually a leading cause of                  . (die)

10.                               elements have been found in both ground and underground water sources. (pollute)

11. Fish and many other animals are killed by                                   in their habitat. (pollute)

12. Astronomers are concerned about light pollution because they have                              in viewing activities in the sky and outer space. (difficult)

15.Complete the sentences, using the form of the words in brackets.

1.   Anna asked me if the astronaut’s costumes were made from                  . clothing.(breath)

2.   After going through a storm, the plane began shaking                             . (controllable)

3.   We definitely cannot live on the planet shown in this photo because it is                       . (water)

4.   Mr. Amstrong is working in a                              space which has no gravity. (weight)

5.   The story talked about a                           who wanted to occupy the spaceship.(terrorism)

6.   When astronauts have trouble in outer space, they must act                                . (appropriate)

7.   I feel                      in the chat room because they are discussing a totallystrange topic.(visible)

8.  Hung has some                                    skills in speaking English with foreigners.(communicate

7.Complete the sentences, using the correct form of the words in brackets.

1.   Is he                                  to break the customs of her family? (permission)

2.   Today, we are going to discuss the                                   of traditions.(necessary)

3.   The offspring will follow the customs without                            . (oblige)

4.   My dad is the                                of this wedding anniversary party.(hostess)

5.   Do you have to follow the traditions                                ? (strict)

6.   Ao dai is one of the                       items of Vietnam. (tradition)

7.   She was taught a lot                      skills by my parents.(society)

8.   In some ethnic groups, the elderly                        their next generations to accept the customs.(obligation)

9.   I have learned several                               lessons from the folk tales. (morally)

10. We were impressed by the                                    of Ha Long Bay. (beautiful)

6.Complete the sentences, using the correct form of the words in brackets.

1.   Nga eats more                               than Tung does because she likes fast food.(healthy)

2.   Viet Nam is a                                country with different peoples, religions and traditions. (cultural)

3.   Most of the Central Highlands is                          . (mountain)

4.   The                        houses of many ethnic groups are used to worship the ancestors. (commune)

5.   To become friendlier, you should                         with your workmates.(socialisation)

6.   Paul used to be                              to soft drinks, but now he seldom drinks them.(addiction)

7.   Like my aunt, I want to become a professional dog                                . (train)

8.   I am                       of her hometown with a lot of paddy fields.(envy)

9.   The cattle are herded to a new pasture by the                              . (nomadic)

10. Do villagers today dress                           as in the past? (tradition)

11.Complete the sentences, using the correct form of the words in brackets.

1.                     Charlie Chaplin was born in London, England. (legend)

2.   In Canada, there are a lot of                     from various countries.(refuge)

3.   Lake Wanaka is a                          scenery in New Zealand.(spectacle)

4.   The Sydney Opera House is an                            monument of Australia.(icon)

5.   The                        originates in Ireland and its associated islands. (Ireland)

6.   The Canadians are native                          of English.(speak)

7.   English is an                                 language of France. (official)

8.   Thuy                                  loves the koala in Australia.(absolute)

9.   The violation of that company was                                  yesterday.(exposure)

10. Do storm water and the atmosphere bring non- point source                               ? (pollution)

14. Write the correct form of the words to complete the sentences.

1.   He always has a big smile. He is always                          . (cheer)

2.   Now she is very tired, because she spent a                       night.(rest)

3.   That old man has a bad memory. He is                            . (forget)

4.   He does not care about his actions. He is often                            . (thought)

5.   You should throw this pen away. It is                  . (use)

6.   The man does not pay attention to mistakes. He is                      . (care)

7.   The picture has many colours. It is very                           .(colour)

8.   We enjoyed the party. It was very                        . (joy)

9.   She did not show any fear. She was                     .(fear)

10. He does not have any friends. He is                     .(friend)

12.Use the correct form of the words given to complete the sentences.

1.   Robots save workers from performing                                         tasks.(danger)

2.   One disadvantage of robots is its high cost of the                                    . (produce)

3.   Robots are being used in both                              manufacturing and the                        field. (industry - medicine)

4.   There is no                                    reason why Japan will not be able to makeprogress in robotics. (technology)

5.   The key to YouTube’s success is the                               for anyone fromanywhere in the world to broadcast themselves for free.(able)

6.   Due to the                                     in the science and technology, impossiblethings have become possible.

7.   Robots increase worker                                        by preventing accidents sincehumans are not performing                                    jobs.(safe - risk)

8.   As a                                               (science), Professor Tran Dai Nghia set anexample as a true                        (research) who devoted himself tothe            (science) career.

9.   Hellen isn’t a great                                    of biotechnology.(admire)

10. Paul’s uncle has worked as a                                for twelve years.(conservation)

13.The word in brackets at the end of each of the following sentences can be used to form a word that fits suitably in the blank.

1.   Children have to moral lessons in school to avoid behavior of                           in future. (morality)

2.   If you don’t go to work regularly, you will be punished for                                in work.(regularity)

3.   In our country, men and women are equal. No one supports gender                               .(equality)

4.   Every young man undergoing military training is bound to experience                          . (comfort)

5.   Tom’s failure was due not to                                but to his own mistakes.(fortune)

6.   He is a notorious                           who robbed a bank yesterday.(crime)

7.   It is forbidden to hunt for that kind of bird. It has been listed as one ofthe                     species.(danger)

8.   The weather was terrible, so we had a very                                  holiday.(please)

9.   The                                    of the new guest caused trouble to me. (arrive)

10.                               to the school is by examination only. (admit)

11. He wanted a divorce because his wife had been                          . (faith)

12. Ididn’t know who it was- with a mask on, she was completely                           . (recognize)

13. “This is not a good essay’ said the lecture. “I find your arguments                     ”. (convince)

14. Traveling in an aero plane for the first time was a                       experience.(memory)

15. In winter it is important for farmers to provide food and            fortheir animals. (warm)

3. Fill in each blank with the appropriate form of the word in brackets.

1.   Iceland is considered the most                              country in the world. (peace)

2.   A                           lifestyle has its advantages and disadvantages. (nomad)

3.   My brother has been a stamp                                for several years.(collect)

4.   It is a/ an                           place to hold a picnic because it is too far from the road. (convenience)

5.   Drinking water in some areas may be                              . (safe)

6.   During my stay in the village, I was                                 with several local farmers.(friend)

7.   Encouraging children to eat and drink                             is very important. (health)

8.   Local people in the village often wear their                                 costumer during the festivals. (tradition)

9.   Please give                        to that charity to help the homeless after the flood. (generous)

10. The baby slept very                                  because the bed was really comfortable. (sound)

2.   Complete the text with the comparative or superlative of the adjectives in brackets.

Who are the    best     (0- good) drivers?

      Which drivers are the                                           (1- safe) on the roads? According to a recent survey,young and inexperienced drivers are the                               (2- likely) to have an accident.                                  (3- old) drivers are                                    (4- careful). Gender makes a difference, too.Young men have the                           (5- bad) accident records of all. They are generally                          (6- aggressive)                        (7- old) drivers. They also choose                              (8- fast)cars with                                (9- big) engines.

            One of the                               (10- interesting) facts in the survey is that passengers have an effect on the driver. When young male drivers have their friends in the car, their driving becomes                            (11- bad). When their wife or girlfriend is in the car, however, their driving is                           (12- good). But the opposite is true for women. Their driving is                                      (13- dangerous) when their husband or boyfriend is in the car!

5.Use the adjective in brackets in their correct forms of comparison to complete the sentences.

1.   Tea is                                             coffee.(cheap)

2.   The new harvest machine is                                              than the old one. (effective)

3.   The countryside is                                                 the town. (beautiful)

4.   A tractor is                                                 a buffalo. (powerful)

5.   My sister is                                                me. (tall)

6.   Blue whales are                                         elephants. (heavy)

7.   The Mekong River is                                            the Red River. (long)

8.   Do you think English is                                        French in grammar? (easy)

9.   My new bed is                                           my old bed. (comfortable)

10. The film about my village town is                                                than the book. (interesting)

4.Fill in each blank with the appropriate form of the word in brackets.

1.   There is a                          of books on the shelf.(collect)

2.   It is very                            for people in remote areas to get to hospitals.(convenience)

3.   He is very                           with his hands.(skill)

4.   It is said that water collected from the local streams is                            to drink. (safe)

5.   We want                             relations with all countries. (friend)

6.   I like to eat                        , so I eat a lot of fruits and vegetables every day. (health)

1.   Supply the correct form of the words in brackets.

1.   People in my country are very warm and             .(FRIEND)

2.   An                         is a child whose parents are dead. (ORPHANAGE)

3.   L.A Hill is a                                  writer. (HUMOR)

4.   I’m                         sorry for the delay. (EXTREME)

5.   She looks more                             than her sister. (BEAUTY)

6.   I am                       enough to have a lot of friends. (LUCK)

7.   They enjoy the                              summer evenings in the countryside. (PEACE)

8.   Those cats look                             .(LOVE)

9.   It was                                of him to offer to pay for us both. (GENEROUSITY)

10. Role-play is                                   in developing communication skills. (HELP)