What would happen to the earth if the sun suddenly switch off some day?
| A．might | B．could | C．would | D．should |
—I am really surprised that a young man of rich second generation in his car ________ have hit several ordinary pedestrians, killing one and injuring three.
—Yes. If one ________ ask for trouble, what can we say?
| A．would, will | B．must, may |
| C．should, must | D．need, dare |
---________ I say something to you? You were really, really something back there. Incredible!
---Are you talking to ---me? Whoa!
| A．Must | B．Can | C．Need | D．Should |
Why _______ you leave with Lucas now? There are still two days left before you go to work and you can stay with us for more time.
| A．should | B．shall | C．could | D．must |
According to the judgment, all the illegal income go to the state.
| A．shall | B．may | C．can | D．would |
Theoretically, a good screwdriver should last a lifetime, but it rarely___________, usually because it is used at one time or another as ___________ some other tool.
| A．should, a favor for | B．should, a lack of |
| C．does, a way of | D．does, a substitute for |
---It’s so cold outside. ________ I fetch you a coat, Grandma?
---Yes.Thanks a lot. You are always so considerate, dear.
| A．Can | B．Shall | C．May | D．Will |
—Who______ it be that is knocking at the door?
—It ______ be Father, but I’m not sure.
| A．can; must | B．can; may |
| C．must; can | D．may; must |
Yoube Carol. You haven't changed a bit after all these years.
| A． | must | B． | can | C． | will | D． | shall |
It was so noisy that we hear ourselves speak.
| A．couldn’t | B．shouldn’t |
| C．mustn’t | D．needn’t |
I ______ have worried before I came to the new school, for my classmates here are very friendly to me.
| A．mightn’t | B．mustn’t |
| C．needn’t | D．couldn’t |
You（）be careful with the camera. It costs!
| A． | must | B． | may | C． | can | D． | will |
Youfeel all the training a waste of time, but I'm a hundred percent sure later you'll be grateful you did it.
| A． | should | B． | need | C． | shall | D． | may |
Being constantly exposed to advertisements is annoying, but it ______ be pleasant sometimes.
| A．shall | B．need | C．can | D．must |
The door________open，no matter how hard she pushed.
| A．shouldn't | B．couldn't | C．wouldn't | D．mightn't |
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