1 . 用所给词的适当形式填空。每词限用一次。

shut off     support     nod     examine     behave

1. Mrs Brown ______ when her students greeted her.
2. The lights must ______ when we leave the classroom.
3. I believe John ______ well next time.
4. His parents ______ many of his races since he became a runner on his school team.
5. John ______ what was wrong with his computer when I came back home.

2 . —Sally, please remember to ________ the electricity before you go out.
—OK, Mom. I won’t forget it.

A．get up

B．shut off

C．shut up

D．get off

4 . —You should ________ the shower when you are washing your hair.
—Ok, I will. We need to save the water.

A．shut off

B．put off

C．put on

5 . —We should ________ the electricity when leaving our rooms.
— Yes, it is a good habit to do that.

A．shut off

B．give up

C．cut down

6 . 你想建议你的同班同学离开房间时要关灯，可以这样说：   
___________________________________ when you leave the room.

7 . 根据每小题所提供的图画情景和提示词，写出一个与图画情景相符的句子。
1. just, finish
__________________________________________________________
2. shut off
__________________________________________________________
3. it, necessary
__________________________________________________________
4. similar
__________________________________________________________
5. divide, piece
__________________________________________________________

8 . Mr. Smith had to borrow money to buy a computer because his money ________.

A．cut down

B．stood up

C．shut off

D．ran out

9 . 词汇运用：仔细阅读下面五个句子，然后用方框中所给的单词或短语填空，使每个句子在结构、句义和逻辑上正确。（提示：选项中有一个是多余的。）

A. succeeded in B. agreement C. anything   D. progress E. somewhere F. shut off

1. I have never heard ________ about air pollution.
2. With his help, Sally made ________ in English learning.
3. If you want to go on the trip, you had better get your parents’ ________.
4. He ________ passing the exam to the university last year.
5. When you leave the room, remember to ________ the electricity.

10 . 当你外出时记得关闭所有的机器。
Remember to ________ all the machines when you go out.