500 câu trắc nghiệm Tìm câu cận nghĩa trong tiếng Anh có đáp án - Phần 12
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I really believe my letter came as a great surprise to John

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I really believe my letter came as a great surprise to John.

John might be very surprised to receive my letter.

John might have been very surprised to receive my letter.

John must be very surprised to receive my letter.

John must have been very surprised to receive my letter.

Giải thích

Chọn đáp án D

Giải thích : cấu trúc must have PII: chắc hẳn đã làm gì