题目内容
12．看到他们的时候我就忍不住发笑．Ican't help laughingwhen I watch them．
分析 can't help laughing
解答 答案：can't help laughing．
首先通过中英文句子的比对，可知英文句子中缺少"忍不住发笑"的表达．短语"忍不住发笑"的英文表达是：can't help laughing，根据设空处后面的when I watch them判断主句用一般现在时，故答案为：can'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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some paint．Suddenly，a few paint brushes fell out of his bag．（48）ATo Ben's surprise，the man
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