(   ) 10. Take it easy. I am sure you_____________ work it out soon.

A. will can         B. will be able to

C. be able to        D. could

(   ) 9. ―We should plant more trees.

―Yes. Every one of us should ______________  in protecting our environment.

A. play part        B. take part

C. take a part       D. play a part

(   ) 8. Will there be less___________ in the future?

A. trees        B. people

C. pollution      D. cars

(   ) 7. ―Could you tell me what's the___________ of it?

-Well,it's an oval(橢圓形的）.

A. time        B. date

C. shape        D. size

(   ) 6. ―Do you__________ what he said?

一No,he is always making up stories.

A. promise       B. believe

C. improve       D. choose

(   ) 5. I don't agree___________   you. I think she has something to do___________ it.

A. to;about           B. with;with

C. with;to            D. to;about

(   ) 4. It's_________ to remember all the names in a few minutes. It's too difficult.

A. simple           B. impossible

C. lucky            D. possible

(   ) 3. ―Where will you live?

—I will live__________ a space station.

A. at            B. in

C. on            D. to

(   ) 2. There   are   many   workers   in   the paper _________

      A. planet            B. word

C. college            D. factory

(   ) 1. If we want to go on living on ________________ earth, we should care about _____________  environment.

A./;/           B. the;/

C.the;the        D. an;an