问题描述：
she did not like to see so many people laughing at him.这里的laughing at him可以改成laugh at him么
she did not like to see so many people laughing at him.
这里的laughing at him可以改成laugh at him么?有什么区别么?
she did not like to see so many people laughing at him.
这里的laughing at him可以改成laugh at him么?有什么区别么?
问题解答：
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