17. In those days, whenever I had difficulties, I _______Mr Shen for help.

A. used to go to　　 B. was used to go to

C. would go to　　 D. used to going to

16. ----- Has John arrived yet?　　 ----- No, she _______ an hour ago.

A. was supposed to come　　　 B. must have come

C. should come　　　　　　　 D. ought to have come

15. The building is ________.

A. twenty-metre-high　　 B. twenty –metre high

C. twenty metre high　　 D. twenty metres high

14. The students handed in their test papers to the teacher _______ .

A. one after the others　 B. one by one　 C. one after one　 D. one after the other

13. It’s well known to us all ______ Beijing will _____ the 2008 Olympic Games.

A. that , hold　　 B. whether , host　　 C. when, hold　　 D. that , host

12. He needs one more stamp before his collection __________.

A. has completed　　 B. will complete

C. has been completed　　 D. is completed

11. ________ fresh air, people　 may start to feel sick. So make sure you open the windows while working.

A. For the absence of　　　 B. In the absence of

C. In the honour of　　　　 D. In the short of

10. To ________ the patient’s quick recovery, the doctor gave him the most effective medicine.

A. make sure　　 B. be sure that　 C. insure　　 D. ensure

9. She never goes home until all her newspapers ________ out.

A. sell　　　　 B. will be sold　　 C. will sell　　 D. are sold

8. We’ve decided to hold a football match next week. Will you ________?

A. take part in　　 B. attend us　　 C. join　　 D. play a part