Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có đáp án (Đề 5)

Why has he put off all the meetings recently? (been) -> Why ………………….. recently?

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Why has he put off all the meetings recently? (been)-> Why ………………….. recently?

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Giải thích

Why has he put off all the meetings recently? (been)

-> Why has all the meetings been put off recently?