题干

 Look! That fellow is too sleepy to work. He ______ up reading until midnight.

A:mustn’t stay

B:mustn’t have stayed

C:ought not to stay

D:should not have stayed

上一题 下一题 0.0难度 选择题 更新时间:2017-04-10 11:59:10

答案(点此获取答案解析)

D