国家开放大学 / 综合英语（3）
正确率：100%
You _ _ _ _ _ such a serious mistake if you had followed his advice.
A.may not make
B.might not make
C.shouldn't have made
D.might not have made
A.may not make
B.might not make
C.shouldn't have made
D.might not have made
参考答案：
佳题速递：