---Look at the boy running on the playground. Is it David?
---It ______ be him. I saw him go to the teachers’ office just now.
| A．mustn’t | B．can’t | C．couldn’t | D．must |
Everyone ______ be polite to the old people.
| A．may | B．should | C．can | D．could |
Kids _________ use the computers to draw in the future.
| A．can | B．could | C．will be able to | D．will can |
— May I take the magazine out of the reading room?
— No, you can’t. You ______ read it here. It’s the rule.
| A．must | B．would | C．may | D．might |
-----Can I watch TV, Mom?
-----No, you . You to do your homework first.
| A．don’t; have | B．can’t; can’t | C．can’t; have | D．do; must |
—Must I come back before supper, mum?
—No, you .
| A．can’t | B．mustn’t | C．don’t | D．needn’t |
The windows after school is over.
| A．usually close | B．usually closed |
| C．are usually closed | D．are usually closing |
---Mum, may I go out to play football this afternoon?
---You can if your homework .
| A．is done | B．will do | C．has done | D．will be done |
-- _____ I ask you a question, Mr. Wang? -- Yes, you _______.
| A．Can, can’t | B．Can, may | C．May, can | D．May, mustn’t |
—Listen ! Helen is singing in the next room.
—It __________ be Helen. She is in Tianjin now.
| A．can’t | B．mustn’t | C．may not | D．shouldn’t |
—Look at the picture on the wall. It ________be David’s.
—Yes, his name is on the first page.
| A．can | B．can’t | C．must | D．mustn’t |
－May we start the meeting now?
－No, we________ . We__________ to start until the manager comes.
| A．mustn’t; are allowed | B．don’t have to; are supposed |
| C．needn’t; aren’t allowed | D．can’t; aren’t supposed |
Today, we _____ work as hard as people did in the past.
| A．mustn’t | B．can’t | C．shouldn’t | D．don’t have to |
Dad, the phone is ringing. I guess either you or Mum ________ on the phone.
| A．is wanted | B．are wanted | C．wants | D．want |
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