题目内容
17.Mother told her son that it would be half a year __________she could come back from America.( )A. | since | B. | before | C. | that | D. | when |
分析 妈妈告诉儿子,还要半年,她才能从美国回来了.
解答 答案:B.根据选项since自从…,before在…前,when当…时,再结合句意,妈妈告诉儿子,还要半年,她就能从美国回来了,可知此处缺少了一个引导时间状语从句的连接词,故B正确.句型It will be 段时间+before…可翻译为,还要多长时间才…
点评 连词的词义辨析要放在上下文的语境中进行,要注意上下文的语义的串联以及逻辑关系的推理,特别要注意一些连词和时间状语的固定搭配.
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