He couldn't go far because he was afraid of _____ B. flying Trắc nghiệm môn Ngữ

Câu hỏi :

He couldn't go far because he was afraid of _____

A. to fly

B. flying

C. be flying

D. fly

* Đáp án

B

* Hướng dẫn giải

afraid of + V-ing: e ngại làm gì

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