It has been announced that students remain in their seats until all the papers have been collected.
| A．can | B．will | C．shall | D．may |
How ______ you say that you really understand the whole story if you have covered only part of the article?
| A．can | B．must | C．need | D．may |
If you ______ talk about it with me, please wait till I finish my work at hand.
| A．can | B．may | C．must | D．should |
You trust an online shop just because it has a beautifully-designed website.
| A．shouldn’t | B．mustn’t | C．couldn’t | D．needn’t |
Given that (鉴于) you feel so stressed , you _____ as well take a weekend break to relax yourself.
| A．may | B．should | C．had better | D．ought to |
I have promised that my daughter _______ get a new electronic dictionary on her next birthday.
| A．should | B．must | C．shall | D．would |
You _________to the meeting yesterday. What was the reason for your absence?
| A．had come | B．came | C．would have come | D．should have come |
The river smells terrible. People_______ dirty things into it .
| A．must stop to throw | B．must stop from throwing |
| C．must be stopped to throw | D．must be stopped from throwing |
—How much shall I pay for the phone call?
—You________. This is free of charge.
| A．shouldn't | B．can't | C．don't have to | D．mustn't |
I have told you the truth. ________ I keep repeating it?
| A．Must | B．Can | C．May | D．Will |
The new law states that people _______drive after drinking alcohol.
| A．wouldn't | B．needn't | C．won't | D．mustn't |
― Why ______ you stay in the countryside, where it is not convenient to go shopping?
―But I’ve found it rather valuable for my health.
| A．can | B．must | C．may | D．shall |
Some young people these days just ______ go out of their homes to contact the real world．
| A．mustn’t | B．won’t | C．mightn’t | D．shouldn’t |
Tommy, you____ be hooked on the Internet all day. You may fall behind others in study.
| A．mustn’t | B．shan’t | C．can’t | D．needn’t |
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