题目内容

4．It was such a funny show that people couldn't help ________again and again．（　　）
A．laughB．to laughC．laughing

分析 这是如此一部滑稽的表演以至于人们一次又一次的禁不住的笑．

解答 答案：C 根据"couldn't help"可知这是can't help的过去式．因为funny show可知这是一部滑稽的表演，所以人们一次次的禁不住的笑．can't help doing的意思是"禁不住…"故选C．

点评 本题考查can't help doing．做题时要根据句意区分好是表示禁不住做某事还是不能帮助去做某事（can't help to do）．

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