29.(　 　) John stayed with us______three months.

　　　 A. in　　 B. at　　 C. on　　 D. for

28.(　　 ) After she cleaned the house, she went on__________supper

　 　 A. cook　　 B. to cook　　 C. cooking　　 D. cooks

27.(　　 ) The pears are very sweet. Can I have ______ , please

A. more one　 B.　 much one　 C.　 one more　 D. one much.

26.(　　 ) .-________ do you water the flowers?　 -Often.

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

25.You must look after yourself and keep ____________.

24.　 On our birthday we often get some ___________like toys and books.

23. Here is a weather ______________ for the next 24 hours .

22. “Help ___________to some chicken, please.” Mrs Green said to the twins.

21. Sunday ______________ Saturday.

20. t______________the number between eleventh and thirteenth

(B) Write out the word according to the meaning of the sentence.(根据句意在每一空格内填写一适当的英语单词，使句意完整，正确。)