I didn"t see her in the musical hall this evening. She_____ have sung at the con

题型：河北省期中题难度：来源：

I didn"t see her in the musical hall this evening. She_____ have sung at the concert.

[ ]

A. mustn"t
B. shouldn"t
C. needn"t
D. couldn"t

答案

举一反三

There _____ be any difficulty about passing the road test since you have practiced a lot in the driving school.

[ ]

A. mustn"t
B. shan"t
C. shouldn"t
D. needn"t

题型：吉林省期中题难度：| 查看答案

In those days, the old woman ________ sit at the door for hours, waiting for her son to return from abroad.

[ ]

A. should
B. used to
C. might
D. would

题型：吉林省期中题难度：| 查看答案

I _____ have been more than six years old when the accident happened.

[ ]

A. shouldn"t
B. couldn"t
C. mustn"t
D. needn"t

题型：浙江省期中题难度：| 查看答案

I _____ have watched that movie-it"ll give me horrible dreams. [ ]
A. shouldn"t
B. needn"t
C. couldn"t
D. mustn"t

题型：同步题难度：| 查看答案

Although this _____ sound like a simple task, great care is needed.

[ ]

A. must
B. may
C. shall
D. should

题型：同步题难度：| 查看答案