5000 câu trắc nghiệm Tiếng Anh 9 có đáp án - Phần 89
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Did my sister tell you that I had been to Dalat? a. might have b. could have

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Did my sister tell you that I had been to Dalat?

might have

could have

would have

must have

Giải thích

Chọn đáp án B