7、____ it snowed heavily yesterday, nobody in our class missed the lesson．

A．Though        B．Because          C．Unless            D．Since

6、Trees ____ fight air pollution．They are natural air conditioners．

A．should                 B．must             C．need              D．can

5、—Where ____ you ____ lunch?

—At home．There was no school lunch

A．did；have    B．are；having         C．will；have         D．do；have

4、—Excuse me， ____ is the post office?

—About 500 metres away.

A．how often      B．how long       C．how far         D．how soon

3、____ early，and you won't be late for school．

A．Turn down        B．Turn up          C．Get up            D．Get down

2、—Do you like playing tennis?

—No， ____ I like sports．I play football every Sunday

A．and             B．but             C．so             D．or

1、—Whose computer doesn't work?

— ____，I think．

A．John has           B．John does         C．John              D．John's

26、从下面方框中选择适当的词填入短文中，使短文通顺正确（注意有些词要用适当的形式）。方框中有两个多余的词。

Our environment is getting（1）_____________ than before. Now more and more people realize that we should do something to help the Earth. Here are the things we can do to help the Earth: We can recycle glass, metal and paper. We shouldn’t throw（2）_____________ in the garbage can（垃圾箱）! We can（3）_____________ instead of driving cars! We should try to（4）_____________ short showers and turn off all the（5）_____________ and the TV when we leave the room. All of these things will help the Earth.