The room is in a terrible mess; it ________have been cleaned.
| A．can’t | B．mustn’t | C．shouldn’t | D．wouldn’t |
—Will you buy me a new iPod, Dad?
—OK. You __________have one if you promise to take care of it.
| A．might | B．must | C．could | D．shall |
Our English teacher is considerate, helpful, and warm-hearted, but sometimes she
Be angry at our silly mistakes.
| A．should | B．can | C．must | D．shall |
I was really anxious about you. You____ home without a word.
| A．mustn’t leave | B．shouldn’t have left | C．couldn’t have left | D．needn’t leave |
------Thank you very much for giving me a hand when I was in trouble.
------Don’t mention it. I only did what anyone else _______ in my place.
| A．must do | B．might do |
| C．would have done | D．can have done |
If you ________ carry with you the belief that whatever you do is right, it’s none of my business.
| A．should | B．may | C．can | D．must |
–What do you think the noise was?
--It ___________ a cat.
| A．may be | B．might be |
| C．can have been | D．might have been |
---May I take this book out ? --- No, you _____ .
| A．can’t | B．may not |
| C．needn’t | D．aren’t |
The warm-hearted neighbor take care of the little girl when her parents were on business, and they appreciated it very much.
| A．should | B．could | C．would | D．might |
It is usually warm in my hometown in March, but it _____ be rather cold sometimes.
| A．must | B．can | C．should | D．would |
-What life_______be like without cell phones？
-I cannot imagine it！
| A．may | B．can | C．will | D．would |
We all can feel something unusual about Kate, but she just _________ let us know what it is.
| A．shouldn’t | B．mustn’t |
| C．needn’t | D．won’t |
---Jenny took the 8:00 bus to Guangzhou this morning.
---Really? She _______ the 9:00 train. It’s much more comfortable and safer to travel by train.
| A．could have taken | B．should take |
| C．must have taken | D．can take |
—Did you visit the museum today?
—No. We _____ it, but we spent too much time shopping.
| A．could have visited | B．must have visited |
| C．could visit | D．must visit |
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