题目内容
Some of you may have finished unit one._____; you can go on to unit two.
A. If you may B.If you do C. If not D. If so
D
解析:
略
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题目内容
Some of you may have finished unit one._____; you can go on to unit two.
A. If you may B.If you do C. If not D. If so
D
略