A person with good manners never laughs ____people when they are ____ trouble .[ ]A. on; inB. in; at

题目简介

A person with good manners never laughs ____people when they are ____ trouble .[ ]A. on; inB. in; at

题目详情

A person with good manners never laughs ____ people when they are ____ trouble .    
[     ]
A. on; in    
B. in; at    
C. on; at    
D. at; in
题型:单选题难度:中档来源:同步题

答案

D

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