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
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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