--Listen! Someone is singing in the next room．Who it be? Is it Wei Fang?
--No．It be her．She is at school now．
| A．can; may not | B．must; mustn’t |
| C．can; can’t | D．may; won’t |
If we work hard with a strong will, we _____ overcome any difficulty, however great it is．
| A．must | B．need | C．should | D．can |
Why are you doing that? If I ____you, I’d stop.
| A．had been | B．hadn’t been | C．were | D．were not |
If Becky hadn’t missed the bus, she ______late for the lecture.
| A．would have been | B．wouldn’t have been |
| C．had been | D．wasn’t |
——I can’t find my MP4 player.
—— You _______it on the desk. I saw a red one on it.
| A．might have put | B．can put | C．need have put | D．must put |
Look! There’s no light on—Sara _____be at home.
| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
They urged that measures _______ immediately to protect the endangered animals.
| A．should take | B．must be taken | C．would take | D．be taken |
— We did not see him at the lecture yesterday．
— You _______ him, since I went to an international conference with him．
| A．mustn’t have seen | B．can’t have seen |
| C．couldn’t see | D．needn’t have seen |
I don’t have an appointment, but I wonder if the dentist _______see me today.
|
But for your support then, I don’t think we _____ the task.
| A．can manage | B．could have managed |
| C．could manage | D．can have managed |