题目内容
10.-Why are you so late getting home?-Our teacher didn't let us go____we had finished our homework.( )
| A. | because | B. | when | C. | if | D. | until |
分析 --你为什么回家这么晚?--直到完成了作业,老师才让我们走.
解答 答案:D.because意思是"因为"引导原因状语从句;when意思是"当…的时候"引导时间状语从句;if意思是"如果"引导条件状语从句;until意思是"直到"引导时间状语从句,常和not一起构成结构"not…until…"直到…才…根据"Our teacher didn't let us go"老师不让我们走,又根据"we had finished our homework"我们完成了作业,可知直到完成作业老师才让我们走,所以要用until和not搭配构成结构"not…until…"故选D.
点评 首先要掌握这几个连词的意思以及用法,然后结合具体的语句,就可以确定正确答案.
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