高等继续教育 / 大学英语I
正确率:100%
题型描述: 单选题
Mary looks unhappy because she has ______ by her classmates.
A.laughed
B.laughed at
C.been laughed
D.been laughed at
Mary looks unhappy because she has ______ by her classmates.
A.laughed
B.laughed at
C.been laughed
D.been laughed at
参考答案: