Not until a monkey is several years old ________to exhibit signs of independence from its mother
A. beginning
B. does it begin
C. and begin
D. it begins
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Đáp án : B
Cấu trúc đảo ngữ nhấn mạnh: Not until + mệnh đề/mốc thời gian + do/does/will/can + S + V không chia = ai đó đã không làm gì cho đến khi nào đó
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is CLOSEST in meaning to the sentence given in each of the following questions
I hope to have the privilege of working with them again
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions
In this era of increased global warming and diminishing fossil fuel supplies, we must begin to put a greater priority on harnessing alternative energy sources. Fortunately, there are a number of readily available, renewable resources that are both cost- effective and earth – friendly. Two such resources are solar power and geothermal power
Solar energy, which reaches the earth through sunlight, is so abundant that it could meet the needs of worldwide energy consumption 6,000 times over. And solar energy is easily harnessed through the use of photovoltaic cells that convert sunlight to electricity. In theUSalone, more than 100, 000 homes are equipped with solar electric systems in the form of solar panels or solar roof tiles. And in other parts of the world, including many developing countries, the use of solar system is growing steadily
Another alternative energy source, which is abundant in specific geographical areas, is geothermal power, which creates energy by tapping heat from below the surface of the earth. Hot water and steam that are trapped in underground pools are pumped to the surface and used to run a generator, which is produces electricity. Geothermal energy is 50, 000 times more abundant than the entire known supply of fossil fuel resources. And as with solar power, the technology needed to utilize geothermal energy is fairly simple. A prime example of effective geothermal use inIceland, a region of high geothermal activity where over 80 percent of private homes are heated by geothermal power.
Solar and geothermal energy are just two of promising renewable alternatives to conventional energy sources. The time is long overdue to invest in the development and use of alternative energy on global scale
According to the passage, why should we consider using alternative energy sources ?
Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions
Yolanda ran over to me and breathless informed the failure of our team.
Many student couldn’t _______, but the teacher _______ the problem by going into a detailed explanation
________for the fact that he was working abroad, he would willingly have helped with the project
Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions
Species like snakes, lizards, coyotes, squirrels, and jack rabbits seems to exist quite happily in the desert
Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions
In human beings, as in other mammal, hair around the eyes and ears and in the nose prevents dust, insects, and other matter from entering these organs
His aunt bought him some books on astronomy and football, _________ he had any interest in
(After a party at Mary’s house). Bill: ______ Mary: Thanks for your compliment. Good night!
Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions
When I came back I realized that my camera had been disappeared
Have you told your dad what’s bothering you?I’d ________ in you than my parents.
______ your precious help, I wouldn’t have certainly overcome most of the practical difficulties
Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions
It was only when Mr Hoan announced the result did he know that he was the winner of the contest
