题目内容
It’s rude to laugh ______ others when they have trouble ______ something.
A.at; do | B.to; doing |
C.with ; to do | D.at ;doing |
D
试题分析:句意:嘲笑做某事遇到麻烦的人是不礼貌的。Laugh at嘲笑;have trouble doing sth做某事遇到麻烦。故选D。
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