() 23. All the club members the floor when they heard someone for help.

   A. swept;were shouting   B. swept;shouted

   C. were sweeping;shouting   D. were sweeping;to shout

() 22. —I hear Sam has gone to Qingdao for his holiday.

—Oh,how nice!Do you know when he ?

   A. left   B. was leafing   C. has left   D. had left

() 21. 一Could you tell me when Mr Li in Nanjing?

—Sure. When he ，I'll call you.

   A. arrives;will arrive   B. will arrive;arrives

   C. arrives;arrives   D. will arrive;will arrive

() 20. —What to the building?

    —It   when all the people were sleeping.

   A. has happened;was broken in

   B. was happening;was broken down

   C. was happened;broke into

   D. happened;was broken into

() 19. The experiment he devoted himself a perfect success.

   A. to proved   B. proved   C. to prove   D. to proving

() 18. —Where's Miss Evens? Someone for her at the school gate.

—She to the post office.

   A. is waiting;went        B. waits;went

   C. is waiting;has gone      D. waits;has gone

() 17. You such clothes because you are still a pupil.

   A. aren't allowed to wearing 

    B. aren’t allowed to wear

   C. aren’t allowed wearing  

    D. don't allow to wear

() 16. I think we need ten more minutes before the problem out.

   A. works       B. is worked   

    C. has worked   D. will be worked

() 15. Lily and Zhang Ming friends since they met in 2010.

   A. made   B. have been   C. have made   D. have become

() 14. —   late for school again,Tim!—Sorry,I promise that I .

   A. Don’t; won’t   B. Don’t; will   

    C. Don 't be;don t   D. Don' t be;won 't