12. The students ( ) basketball energetically on the palyground right now.

A. are playing
B. play
C. is played
D. played

13. The bridge ( ) by the time you come back from abroad.

A. will be built
B. is built
C. will have been built
D. have been built

14. The children have already learnt from chemistry that water ( ) up of hydrogen and oxygen.

A. is made
B. was made
C. made
D. is making

15. She got angry with us and ( ）the room without saying goodbye.

A. leaves
B. was leaving
C. left
D. had left

16. I ( ) to repair the car while you were watching TV.

A. am trying
B. try
C. tried
D. was trying

17. They ( ) in the suburb when she was only a child.

A. lived
B. live
C. have lived
D. are living

18. I will be very glad to go to the picnic if the weather ( ) fine tomorrow.

A. is
B. will be
C. would be
D. have been

They went to have their dinner after they ( ) the assignment.

A. had finished
B. finished
C. have finished
D. would finish

20.This is the first time you ( ) to China.

A. have come
B. came
C. are coming
D. come

A. ReceptionB. Conference RoomC. Financial AccountingD. After SalesE. Sales PromotionF. AdvertisingG.PersonnelH. Marketing Research5.财务会计室6.市场研究部7.广告部8.人事部