题目内容
1.---Mum,Can I play the game for a moment?---No, you have finished your homework.( )
| A. | and | B. | because | C. | or | D. | unless |
分析 -妈妈,我能玩一会儿游戏吗?
-不,除非你已完成你的作业.
解答 答案:D;and和;because因为;or或者;unless除非;根据答语No,you have finished your homework推知,"完成作业"是"玩一会儿游戏"的条件;因为答语中有no,可知该句需要用unless=if not,表示否定的条件意为"除非";故选D.
点评 比较和分析四个选项的不用含义及其用法是解答该题的关键;还要根据句中信息正确推测该句句意,进而作出解答.
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