15.The missing boys were last seen ______ near the river. 　 　A. playing　 　 　 　 　 　 　B. to be playing　　　 C. play　 　 　 　 　 　 　 　 　 D. to play

14. Either you or the headmaster _________ the prize to these gifted students at the meeting.　

A. is handing out 　B. are to hand out 　 C. are handing out 　 D. is to hand out

13. He is the only one of the students who _________ a winner of scholarship for three years.

　A. is　 　　　　　　　B. are　 　　　　　　C. have been　 　　　D. has been

12. Every possible means ____ to prevent the air pollution，but the sky is still not clear．

A．is used 　　　　　　　　　　　　　B．are used

C．has been used 　　　　　　　　　　D．have been used

11. It’s so nice to hear from her. _____, we last met more than thirty years ago.

A What’s more　　 B That is to say　　 C In other words　　 D Believe it or not

_____ is known to everybody, the moon travels round the earth once every month.

　　　 A. It　　　 　　　　　　 B. 　As　　 　　　 　　C. That　 　　　 　　　D. What

10. ---- There’s coffee and tea: you can have　　　　 　.

　　 ---- Thanks.

　　　 A．either　　　　　　　 B．each　　　　　　　　　 C．one　　　　　　　　　 D．it

9. The coffee is wonderful ! It doesn’t taste like anything I 　　　　　before .

　　　 A．was having 　　 B．have 　　　 C．have ever had D．had ever had

8. ---- The woman biologist stayed in Africa studying wild animals for 13 years before she returned.

---- Oh, dear! She _______ a lot of difficulties!

A. may go through　　　　　　　　　　　 B. might go through

C. ought to have gone through　　　　　　 D. must have gone through

7. ____ snacks and drinks, but they also brought cards for entertainment when they had a picnic in the forest.

　　 A. Not only they brought　　　　　　　 　　 B. Not only did they bring

　　 C. Not only brought they　　　　　　 　　　　 D. Not only they did bring

6. They've　 　　　　　us ￡150,000 for the house. Shall we take it?

　　 A. provided　　　　 B. supplied　　　　 C. shown　　　　　 D. offered