-----Why does Ling Ling look so unhappy? -----she has by her classmates. A. laug

-----Why does Ling Ling look so unhappy?

-----she has_____ by her classmates.

A. laughed 　 B. laughed at

C. been laughed 　 D. been laughed at

试题答案

D

动词laugh是不及物动词，表示嘲笑得在后面加上介词at。