Bộ 5 đề thi giữa kì 1 Tiếng Anh 11 Global Success có đáp án - Đề 1

They haven’t seen their spin instructor for three days. (SINCE) It’s ____________________ their spin instructor.

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They haven’t seen their spin instructor for three days. (SINCE)

            It’s ____________________ their spin instructor.

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Giải thích

three days since they saw