() 21. Our teacher told us carefully in class.

   A. listen   B. to listen

   C. listened   D. listens

() 20. —Have you seen the TV play My Ugly Mother?

—Yes,it's well worth .It's moving that Fve seen it twice.

   A. seeing;too   B. seeing;so

   C. to see;enough   D. to see;such

() 18. We went to the beach last Sunday,and we had great fun volleyball.

   A. play   B. playing

   C. played   D. to play

() 17. The thief was noticed the office building by the back door on the screen.

   A. enter   B. enter into

   C. to enter   D. to enter into

() 16. Would you mind me how English words?

   A. tell;to remember      B. telling;remember  

   C. telling;to remember   D. tell;remember

() 15. 一The doctor told me too much but I find it difficult.

—The doctor is right. The less you drink,you will be.

   A. don't drink;the healthier

   B. not to drink;the healthier

   C. not to drink;the more healthier

   D. don't drink;healthier

() 14. Mr. Wang does what he can us improve our English.

   A. help   B. to help

   C. helping   D. helped

() 13. What bad weather it was!We decided.

   A. to go out   B. to not go out

   C. not to go out   D. not going out

() 12. I saw Li Ming near the river on my way home.

   A. plays   B. playing

   C. to play   D. play

() 11. The new treatments by Norman Be- thune helped a number of soldiers.

   A. invent   B. invents

   C. inventing   D. invented