题目内容
4.I had just finished my housework ________ I heard cries for first aid the other day.( )A. | as | B. | while | C. | since | D. | when |
分析 不久前一天我刚刚完成我的家庭作业,正在这时突然,我听到急救的呼声.
解答 答案:D.根据选项 as 当…时,while当…时,尽管,然而(前后对比),since自从…,when当…时,正在这时,until直到…,或者,再结合句意,正在这时突然,我听到急救的呼声.可知此处缺少了一个引导时间状语从句的连接词,故D正确,when=at that time
点评 本题考查时间状语从句的连接词,连词的辨析要根据上下文的语境进行,要特别注意一些连词的一词多义现象.如本题的when=at that time
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