Câu hỏi :

Mark the letter A, B,C or D on your answer sheet that completes each of the following questions or that is closest in meaning to the underlined part

A. ask a question

B. to ask a question

C. asking a question

D. to askin a question

* Đáp án

* Hướng dẫn giải

Đáp án là B.

hesitate + to V: lưỡng lự, do dự ....

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