15000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án (Phần 1)

It is important that the patient stays in bed until he fully recovers from the operation. A. important B. stays C. until D. operation

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It is important that the patient stays in bed until he fully recovers from the operation.

important

stays

until

operation

Giải thích

Đáp án C

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