I’m sure that they had practiced hard for the games as they won a lot of medals.

Câu hỏi :

I’m sure that they had practiced hard for the games as they won a lot of medals.

A. They couldn’t have practiced hard for the games as they won a lot of medals

B. They must have practiced hard for the games as they won a lot of medals

C. They shouldn’t have practiced hard for the games as they won a lot of medals

D. They might have practiced hard for the games as they won a lot of medals.

* Đáp án

* Hướng dẫn giải

B

 Kiến thức về câu với cụm khiếm khuyết hoàn thành để suy đoán

Must have Ved-3 :chắc chắn , ắt hẳn đã  gần nghĩa nhất với câu gốc 

I’m sure that they had practiced…(Tôi chắc rằng họ đã…..)

Xét đáp án chọn B.

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