题目内容
4.I was about to start ________ the telephone rang.( )A. | while | B. | as | C. | when | D. | unless |
分析 我正要出发的时候,突然电话响了.
解答 答案:C.根据选项 while当…时,尽管,然而(前后对比),as一边…一边,when当…时,正在这时,unless除非,再结合句意,就在这时电话响了.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,when=at that time,be about to do…when…为固定结构,正要做某事,忽然;had done sth when 某人刚做完某事时突然…be doing…when"正在做某事,忽然…",
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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