Many people (A) have complain (B) about (C) the smoke from (D)the factory. 

Câu hỏi :

Many people (A) have complain (B) about (C) the smoke from (D)the factory. 

A people

B complain

C about

D from

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

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