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
【答案】
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
【解析】略