国家开放大学 / 综合英语（2）
正确率：100%
3. She _ _ _ _ _ _ _ the baby play with the scissors.
a.should let
b.ought to let
c.shouldn’t have let
d.ought have let
a.should let
b.ought to let
c.shouldn’t have let
d.ought have let
参考答案：
佳题速递：