--_________ I finish my homework now,mum?
--No,you _______.But you must finish it before seven o’clock.
| A．Must,needn’t | B．May,mustn’t |
| C．Can,can’t | D．Need,must |
– Listen ! Is Professor Johnson giving a report in the hall?
– No, it _______ be him. He has gone to America.
| A．needn’t | B．can’t |
| C．may not | D．mustn’t |
---Who is making much noise?
---It ____ be Timmy. He is sleeping now.
| A．can’t | B．may not |
| C．mustn’t | D．couldn’t |
---How nice that Lucy has been invited to the party too!
---Well, she _________ not come. She is not sure whether her mother will allow her to.
| A．might | B．would |
| C．must | D．need |
If you _______ go, at least wait until the rain stops.
| A．can | B．may | C．must | D．will |
-Must I finish the work today?-No, you ____. You can finish it tomorrow.
| A．mustn’t | B．can’t |
| C．shouldn’t | D．needn’t |
---Are you going to Shanghai by plane ?
--- It’s fast , but expensive. So I’m not sure. I____ take a train
| A．should | B．may |
| C．must | D．will |
The woman you saw at the park ________ be Jane. She is at work now.
| A．must | B．might | C．can | D．can't |