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