Don’t forget to         the lights before you leave the classroom.
A. turn on          B. turn off          C. turn up

用方框中所给词的适当形式填空。（5分）

1. Don’t let the kids ____ for a second.

2.Tom hopes to ____ with his old friends in America.

3.Mike was late for school ____ his illness yesterday.

4. You must ____ all the windows are closed before you leave the room.

5. We can ____ to help Mary with her lessons.

情景交际。从方框中选择适当的句子补全对话(其中有两项是多余的)。(5分)

A: Hi, Janet. Would you like to help protect the environment?

B: I’d love to.     1.   

A: Well first, you can start by turning off the lights before you leave the room.

B: Yes. That’s easy. Sometimes I turn on the lights without thinking.

A: Second, you can ride a bicycle.    2.   

B: That will save money, too.   3.   

A: The third idea is turning off the shower when you’re not using it,

B: You mean, when I have shampoo(香波) in my hair?

A: Yes.     4.    Every minute helps. And fourth, take a bag when you go shopping. Don’t use plastic bags.

B: OK.   5.    I’ll tell them.

A. We have to save water.

B. What else?

C. We should use both sides of the paper.

D. But I don’t know what I can do.

E. My parents do most of the shopping.

F. I don’t think so.

G. Don’t take a bus or a taxi if you don’t have to.