---Listen! Helen is singing in the next room.
---It ____be her. She has gone to Beijing.
| A．can't | B．mustn't | C．may | D．should |
---What are you going to do this afternoon?
---I’m not sure. I go swimming with my friend.
| A．may | B．can |
| C．may be | D．must |
----- Is the environment good around your city ?
----- Yes. Many trees here every year.
| A．are planted | B．plant |
| C．planted | D．be planted |
---Tony, don’t play with that knife. You hurt yourself.
---I won’t, dad.
| A．can | B．must | C．should | D．May |
— Where is your father now?
— I’m not sure. He be in the kitchen.
| A．must | B．may | C．can | D．need |
—Shall we drink the tea now?
—No, the tea should be ______in the water for some time before you drink it.
| A．stayed | B．staying |
| C．kept | D．keeping |
After a long walk, the old man ___________be tired now.
| A．can’t | B．must |
| C．has to | D．need |
—Bill, is the pink umbrella Ann’s?
—No, it __________ be hers. Hers is purple.
| A．mustn’t | B．can’t |
| C．needn’t | D．may not |
We must do everything we can _____ our earth cleaner and safer.
| A．made | B．to making |
| C．make | D．to make |
-----Jenny, you should prepare as much as you can______ the coming guitar competition successfully!
-----Sure, I will try my best, Mr. Brown!
| A．to fail | B．to cover |
| C．cover | D．fail |
The poor children ______ worry about ________ money to go to school.
| A．don’t need; not having | B．needn’t to; not to have |
| C．don’t need to; not to have | D．needn’t; not having |
—When shall we go to watch the basketball match in the sports centre?
—Not until the work________ tomorrow.
| A．will be finished | B．is finished |
| C．will finish | D．has finished |
The car Jim’s. His yesterday.
| A．can be, stole | B．mustn’t be, was stolen |
| C．may; stole | D．can’t be, was stolen |
-----What’s Mary going to do this coming weekend?
----- I’m not sure. She ____________ go to the country to see her aunt.
| A．can | B．must | C． will | D．may |
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