Smoke, dirt and noise are all kinds of ___.
A. pollute
B. polluting
C. pollutant
D. pollution
pollute (v) làm ô nhiễm
polluting (v) dạng Ving của pollute
pollutant (n) tác nhân ô nhiễm
pollution (n) sự ô nhiễm
Vị trí cần điền là một danh từ vì phía trước có giới từ “of”
=>Smoke, dirt and noise are all kinds of pollutant.
Tạm dịch: Khói, bụi bẩn và tiếng ồn là tất cả các loại ô nhiễm.
Đáp án cần chọn là: C
____ is a branch of Natural Science, and is the study of living organisms and how they interact with their environment.
They had a ______ dinner last night and she accepted his proposal of marriage.
A/ an ____ species is a population of an organism which is at risk of becoming extinct.
If a boss wants to have a well-qualified staff, he should have to pay his employees _______.
As an _______, Mr. Pike is very worried about the increasing of juvenile delinquency.
My mother used to be a woman of great _______, but now she gets old and looks pale.
Children who are isolated and lonely seem to have poor language and ________.
The more _______ and positive you look, the better you will feel.
Choose the best answer to complete the following sentences.
People should be told about the things that threaten the safety of ____ so that they can avoid doing them.
My parents will have celebrated 30 years of _______ by next week.
He has been very interested in doing research on _______ since he was at high school.