13. If you exercise more, you will be healthier.(改为同 义句）

       you exercise ，                you will be.

12. How do you practice your pronunciation?(用lis?ten to tapes回答）

I practice my pronunciation             

11. Working with friends improves my English.(改为同义句）

I improve my English             with friends.

(   ) 10. These arc two        Please          what they said.

A. note;note B. notes;notes

C. note;notes D. notes;note

(   ) 9. My mother asked me to       all the phrases ， expressions and idioms in this book.  

A,increase B. pronounce

C. discover    D. memorize

(   ) 8. She       several times that she couldn't stand the loud music.

A. told    B. said

C. repeated    D. cried

(   ) 7. What about      English-language videos?

A. watch    B. to watch

C. watched    D. watching

(   ) 6.--How do you study a test?

—I study      working with my friends.

A. for;for B. by;by

C. for;by D. by;for

5. The students are having a c      class in the lab.

4. Learning grammar helps me understand the sentence p       better.