题目内容
3.当他听到这个好消息时,忍不住笑了.Hecouldn't help laughing when he heard the good news.
分析 couldn't help laughing
解答 答案:couldn't help laughing.
首先通过中英文句子的比对,可知英文句子中缺少"忍不住笑了"的表达.短语"忍不住笑"的英文表达是:can't help laughing,根据设空处后面的时间状语从句用了一般过去时,判断填can't的过去式,故答案为:couldn't help laughing
点评 做这类题型,首先根据所给汉语明确句子所要考查的单词或短语的拼写,再结合相关语法知识对单词或短语做出形式上的变化.
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