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
Only a few of the many species at risk of extinction actually make it to the lists and obtain legal ____.
They had a ______ dinner last night and she accepted his proposal of marriage.
Choose a suitable word or phrase (marked A, B, C, or D) to fill in each blank.
He has been very interested in doing research on _______ since he was at high school.
My parents will have celebrated 30 years of _______ by next week.
As an _______, Mr. Pike is very worried about the increasing of juvenile delinquency.
John cannot make a _______ to get married to Mary or stay single until he can afford a house and a car.
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.