30. You should brush your 　　　　before you go to bed. A. tooth　 B. teeth　 C. tooths　 D. toothes

29. It took him five 　　　　to finish the job.　 A. day　 B. days　 C. daies　 D. dayes

28. In autumn 　　　　turn yellow.　 A. leaves　 B. leafs　 C. leaf　 D. leaves

27. My daughter often does 　　　　.

　 A. many homework　 B. a lot of homeworks　 C. a lot of homework　 D. lots of homeworks

26. Some of foreign friends are 　　　　. The others are 　　　.

A.　　 Japanese, German　 B. Japanese, Germans　 C. Japanese, Germen　 D. Japanese, Germens

25. English is a bridge 　　　　.

　 A. of many knowledges　 B. of much knowledge　 C. to many knowledges　 D. to much knowledge

24. I saw 　　　　in the zoo yesterday.

　 A. much deer　 B. many deers　 C. a lot of deer　 D. two deers

23. Mr Smith gave us 　　　　on studying English.

　 A. some advice　 B. some advices　 C. an advice　 D. many advices

22. Please pass them 　　　　.

　 A. two cups of teas　 B. two cups of tea　 C. two cup of tea　 D. two cup of teas

21.Hefei is the　　　 .

A. Anhui’s capital　 B. capital of Anhui　 C. Anhui capital　 D. capital of the Anhui