Everyone wants to reduce pollution. But the pollution problem is (11) ________ complicated as

Câu hỏi :

Passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks from 11 to 20

A. request  

B. forbid     

C. prevent  

D. Require

* Đáp án

* Hướng dẫn giải

Đáp án là D

require someone to do something: yêu cầu ai làm gì

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