VI. Câu đồng nghĩa và câu kết hợp có đáp án

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 ha

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

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

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

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

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

Giải thích

Chọn B