37.The old man tried to _____the little boy from climbing the wall, for it was too dangerous to do so.

　 A. persuade　　　　 B. discourage　　　　 C. blame　　 D. encouraging

36. ------ Have we _____________ water?

　 ------Yes,______________. We’d better get some.

　A. run out of; we have run it out　　　 .　　　 B. run out of; our water has run out

C. run out of; our water has been run out. D. run out; our water has run out

35.__________ to give up smoking, he threw away his _________ cigarettes.

　 A. Determined ; remaining　　 B. Determined ; remained　

C. Determining ; remained　　 D. Determining ; remaining

34.The doctor and the nurses did all they could　 ________the patient.

　 A. save　　 B. to save　 　C.saving　　 D. to have saved

33.They would rather spend time _____with the dumb boy than_____him.

A. play;tease　 B. playing ;teasing　 　C.play ; teasing　 D. playing ;tease

32. He focused his effort ______ the houses _______ sale, for fear that the prices for these houses would go up suddenly.

　 A. on; for　　　　 B. on; in　　　　　　　 C. to; for　　　　　 　　D. to; in

31. _____ from other countries for millions of years, Australia has many plants and animals not found in any country in the world.

A. Being separated　　　　　　 B. Having separated

C. Having been separated　　　　 D. To be separated

30.----Go for a picnic this weekend, OK?

---- ____. I love getting close to nature.

A. I couldn’t agree more　　 B.I afraid not.

C. I believe not　　　　　 D. I don’t think so.

29.If you don’t go to the party, ___I.

A. so do　　 B. so will　　 C. nor do　　 D. neither shall

28. They have produced _____ they did last year.

A. twice more grain as　　 B. twice as much grain as　

C. twice as many grain as　 D. as twice many grain as