吉林医药卫生学校 / 英语
13.It`s bad manners to laugh _____ others when they are _____ trouble.
A. to, with
B. over ,at
C. at ,in
D. with ,on
A. to, with
B. over ,at
C. at ,in
D. with ,on
参考答案：
佳题速递：