My brother is two meters in height．It's very difficult to find clothes big enough ____ him．

       A．about    B．at    C．with D．for

Tomorrow there's a programmed about our school on TV，then it ____ by millions of people．

       A．will see    B．saw    C．will be seen  D．was seen

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

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

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

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

I'm not sure about the meaning of the word. You'd better look it up in a ____ ．

       A．letter    B．dictionary C．postcard D．notice

—Where ____ you ____ lunch?

        —At home．There was no school lunch

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

—Excuse me， ____ is the post office?

        —About 500 meters away.

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

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

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

—Do you like playing tennis?

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

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

—Whose computer doesn't work?

        — ____ ，I think．

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