-Adam, where are the other members of our team?-They research in the library now. Let’s go and join them.A.do B.did C.will do D.are doing 题目和参考答案——青夏教育精英家教网—

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—Adam, where are the other members of our team?

—They________ research in the library now. Let’s go and join them.

A.do B.did C.will do D.are doing

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