21. A good idea ______me! Which of the following is Not Right?

　 　　 A. struck　　 　　　 B. occurred to　 　 C. came upon　　 D. happened to

20. A number of tests have been conducted to _________ that these drugs have no side effects.

A. find out　　 　　　 B. look for　　 　　 C. make sure　　 D. work out

19. ---Why did Tom become wealthy this year?

　 　---Because he sold _________________ he did last year.

　 A. four times as many furnitures as　 　　 B. four times as furnitures many as

　 C. four times furniture as much as　　 　　 D. four times as much furniture as

18. Not until his father came back ____________ to bed.

　 　　 A. he went　 　　　　　　　 B. did he go　　 　 C. went he　　　 　 D. he did go

17. The doctor said that maybe his disease is __________ the water he drinks.

　 　　 A. put up　　 　　　　 B. taken off　　 　 C. given out　　 　　 D. connected with

16. It’s an agreement between towns or cities, _______ have similar features, such as industry, culture and entertainment.

A. that　　　 　　　　 B. which　　　 　 C. they　　　 　　　 D. them

15. Unfortunately, his dog got __________ by the car.

　 　　 A. runs over　　 　 B. ran over　　 　　 C. was run over　 　　　 D. run over

14. Outside the door ____ an old man, dead. He was terrified!

　 　　 A. lays　　 　　　　　 B. lies　　　 　　　 C. lay　　　　 　　　 D. did lie

13. Since it failed because of your fault, you should _____________.

　 　　 A. face the music　 　　　　　　　　　　　　　 B. answer for the music　　

C. make your escape　 　　　　　　　　　　　　　　 D. put out the fire

12. ---I’ve got tired of being a couch potato.

　 ---__________. How about playing basketball outside?

　 A. It’s up to you.　　 　　　　　　　　　　　　　　　　　 B. You must be joking.

　 C. I haven’t got that. 　　　　　　　　　　　　　　　　　 D. Let’s find some of the action.