He always (laugh at) others’mistakes.But in fact he makes mistakes more often than others.

He always (laugh at) others’mistakes.But in fact he makes mistakes more often than others.
这句话的laugh at为什么不+s?是答案错了还是怎样?
英语人气:461 ℃时间:2020-02-26 05:07:07
优质解答
要加的,你是正确.
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