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
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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