当你想知道别人是否有钢琴时，问：
A. Have you got a dictionary?
B．Have you got a piano?
C．May I use your piano?
You should eat _____ fruit and vegetables, but _____ meat. You are too heavy.
| A．more; less | B．more;more |
| C．less;more | D．less;.less |
The students in the north are going to have ____ winter holiday.
| A．a two-month | B．a two-months |
| C．two months | D．two-months |
Our teacher asked us ______ the window closed. It was a little hot in the room.
| A．didn’t keep | B．to keep |
| C．keeps | D．not to keep |
______ bad weather! We have to stay in.
| A．How | B．How a | C．What | D．What a |
- Must I finish my homework now,Dad?
- No, you ______ . You can do it tomorrow.
| A．can’t | B．mustn’t | C．needn’t | D．mayn’t |