Someone _____ the tap on, for the water was running over and flooding the bathro

题型：0123 期末题难度：来源：

Someone _____ the tap on, for the water was running over and flooding the bathroom.

[ ]

A. must have left
B. ought to leave
C. should have left
D. need to leave

答案

举一反三

He _____ have completed his homework; otherwise, he would have been plying football with others. [ ]
A. can"t
B. mustn"t
C. shouldn"t
D. wouldn"t

题型：云南省期末题难度：| 查看答案

— Lucy doesn"t mind lending you her dictionary.
— She _____. I have already borrowed one. [ ]
A. can"t
B. mustn"t
C. needn"t
D. shouldn"t

题型：0115 期末题难度：| 查看答案

— There _____ be anybody in the classroom, for the lights are off.
— I"ll go and check.

[ ]

A. mustn"t
B. won"t
C. needn"t
D. can"t

题型：浙江省期中题难度：| 查看答案

一 Look at Helen in the room.She is still working so late.
一 It _____ be Helen there. She has flown to London with her parents this morning. [ ]
A. mustn"t
B. wouldn"t
C. mightn"t
D. can"t

题型：河南省期中题难度：| 查看答案

The room is in a terrible mess; it _____ have been cleaned. [ ]
A. can"t
B. mustn"t
C. shouldn"t
D. wouldn"t

题型：浙江省期中题难度：| 查看答案