问题
选择题
Robert saw two boys making fun ________ an old man, and then he stopped them.
A.in
B.on
C.at
D.of
答案
答案:D
题目分析:句意:罗伯特看到两个男孩在开一个老人的玩笑,然后他阻止了他们。make fun of sb开……的玩笑。根据句意,故选D。
Robert saw two boys making fun ________ an old man, and then he stopped them.
A.in
B.on
C.at
D.of
答案:D
题目分析:句意:罗伯特看到两个男孩在开一个老人的玩笑,然后他阻止了他们。make fun of sb开……的玩笑。根据句意,故选D。