-ShallMikegoandplaybasketballwithus?-Not________hehasnotfinishedhisho

发布时间：2020-08-05 00:23:29

-Shall Mike go and play basketball with us?-Not ________ he has not finished his homework．A.whenB.ifC.unlessD.once

网友回答

B解析答语为省略句，省略了He will not if…表示“如果他没写完作业就不能去”。
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