It is (A) high time John (B) understands (C) how to behave properly (D) towards

Câu hỏi :

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

A. high time

B. understands

C. how to

D. towards

* Đáp án

* Hướng dẫn giải

B

B “understands” => “understood” vì cấu trúc It’s high time + V quá khứ

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