20. ______ is known to everybody is that the moon travels round the earth once every month.

A. As　　　 B. What　　　 C. That　　　 D. It

19. ------ What made you so sad?

------ ______ my wallet.

A. Lose　　　 B. Losing　　　 C. To lose　　　 D. Lost

18. I don’t think I’ll need any money, but I’ll bring some ____.

A. at last 　　　　　　　 B. in case 　　　　　　 C. once again　 　　 D. in time

17. China is one of the developing countries that 　　　　　　the third world.

A. belong to　 　　 B. belongs to　　 C. is belonged to　 D. are belonged to

15. It is 　　　　　　　that she helped others with their lessons after school.

A. worth to be praised 　 　　B. worthy of being praised

C. worth praised　　 　　 　　　 　　D. worthy to praise

13. -----What about _____2008 Olympic Games?

------Oh, it was really ____great success.

A　 a; a　 B　 the ;a　 C　 a; the　 D　 the; the

`14. -----It’s wrong for a student to follow _____ his teachers say.

-----it’s true. I can’t agree _______.

A. no matter what; to much　　　　　　　　　　　　 B. whatever, much

C. no matter what; more　　　　　　　　　　　　　　　　　 D. whatever, more　

12. The criminal ______ fire to a store and after a moment the whole store ______fire.

A. made a; lit a　 B. set a; caught　 C. caught; was on　　 D. set; was on

11. Only when you have finished your homework ______ go home.

A. can you　　　 B. would you　　　 C. you will　　　 D. you can

10. ______ by the beautiful scenery, I forgot to go back home in time.

A. Impressing　 B. To be impressed　 C. Having impressed　 D. Impressed