Đề thi Tiếng Anh 9 Thí điểm Học kì 1 có đáp án (Đề 4)

You in this river when you were a boy

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Supply the correct verb form

You (use) (swim) in this river when you were a boy?

……………………………………………………………………………………………

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Giải thích

Đáp án: Did you use to swim in this river when you were a boy?