It made all the Chinese happy _____ China succeeded in sending up the first manned spaceship.
| A．when | B．because | C．that | D．if |
There _____ be any difficulty about passing the road test since you have practiced a lot in the driving school.
| A．mustn’t | B．shan’t | C．shouldn’t | D．needn’t |
I ______ have been more than six years old when the accident happened.
| A．shouldn’t | B．couldn’t | C．mustn’t | D．needn’t |
John, look at the time. ______ you play the piano at such a late hour ?
| A．Must | B．Can | C．May | D．Need |
Tom, you _____ leave all you clothes on the floor like this !
| A．wouldn’t | B．mustn’t | C．needn’t | D．may not |
I have lost one of my gloves. I _____ it somewhere.
| A．must drop | B．must have dropped |
| C．must be dropping | D．must have been dropped |