The policeman asked us
The policeman asked us ____
A. had any of us seen the accident happen
B. whether any of us had seen the accident happen
C. If had any of us seen the accident happen
D. that if any of us had seen the accident happen

Đáp án B

Cấu trúc câu hỏi gián tiếp dạng Yes/ No question: S + asked sb + if/ whether + S + V lùi 1 thì
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