Air pollution, together with (A) littering, are (B) causing many (C) problems in our large, (D) industrial cities today

Câu hỏi :

Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction (from 30 to 34)

A. with

B. are

C. many

D. in our large

* Đáp án

* Hướng dẫn giải

Đáp án là B

A together with B + V(A): chia động từ theo chủ ngữ thứ nhất. “are”->”is”.

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