题目内容
—Will Mr. Brown come and play computer games?
—No, he has finished, his homework.
A.when | B.if | C.unless | D.once |
C
解析试题分析:句意:-----布朗先生会来玩电子游戏吗?----不,除非他已经完成了他的作业。when 当……的时候;if 如果;unless 除非,如果不;once一旦……就。 故选C。
考点:考查连词的用法。
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