--- What do you think we can do for our parents?
---You _____ do anything except to be with them and be yourself.
A. don't have to B. oughtn't to c. mustn't D. can't
My elder brother wants to buy a _____ computer, so that he can carry it around when he travels.
| A．removable | B．portable | C．possible | D．readable |
Before falling asleep, Helen always ______ the day’s happenings.
| A．reviews | B．restarts | C．requests | D．reminds |
You needn’t take your shoes off when you enter someone’s house in Australia , _____ , of course , they’re very dirty .
| A．before | B．since | C．when | D．unless |
.A pair of glasses_______ on the table , but the glasses _______ yours.
| A．is; aren’t | B．are; isn’t | C．is; isn’t | D．are; aren’t |
With all the problems ______, the manager went home and had a good rest.
| A．solved | B．to solve | C．solve | D．solving |