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Câu hỏi:

21/07/2024 1,295

The assumption that smoking has bad effects on our health have been proved.

A. that

B. effects

C. on

D. have been proved

Đáp án chính xác

Trả lời:

verified Giải bởi Vietjack

Đáp án D sửa thành “has been proved”

Giải thích: Chủ ngữ của câu là “the assumption” ngôi 3 số ít nên động từ chính sẽ đi với trở động từ là “has”

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