25. I haven’t decided ________.

　　　 A. where to go　　 B. how to do　　 C. what to do it　　 D. when to go it

24. I felt really _______ when I saw the _______ spiders.

　　　 A. scary , scared　　 B. scared , scary　 C. scaring, scared　 D. scared, scaring

23. As a child, I loved watching buses and cars ________ on the bridge.

　　　　 A. run through　　 B. running through　　 C. ran through　 D. to run through

22. We ________ 3000 words so far

　　　　 A. learned　　 B. learn　　 C. have learned　　 D. had learned

21. The continent________ the smallest population is Antarctica.

　　　　 A. has　　 B. owns　　　 C. with　　　 D. is

20. ________ is the population of China?

　　　　 A. How　　 B. What　　 C. How many　　　 C. How much

19. _______ have you been in China.

　 　　　　For about 7 years.

　　　　 A. How often　　 B. How soon　　 C. How long　　 D. How far

18. I’m just thinking ________ how different everything will be

　　　　 A. about　　 B. of　　 C. on　　 D. on which

17. I didn’t feel well last week　 _________ my exams.

　　　　 A. because　　 B. since　　　 C. so　　　 D. because of

16.(　　　 ) I’ve never seen you looking that ________ .

　　　　 A. worry　　　 B. worried　　 C. frighten　　 D. frightening