最佳答案:

　　12345BBDAA678910ADBDA

最佳答案:

　　1112131415BCDAA1617181920BACCD

最佳答案:

　　2122232425BADDC2627282930BADBC

最佳答案:

　　A

　　31、hardly

　　32、cause

　　33、method

　　34、awake

　　35、worth

　　B

　　36、careless

　　37、pronunciation

　　38、valuable

　　39、stressed

　　40、suggestions

　　C

　　41、practising

　　42、to own

　　43、to solve

　　44、goes

　　45、is finished

最佳答案:

　　46、wear

　　47、are

　　48、smart

　　49、than

　　50、good

　　51、happy

　　52、allow

　　53、but

　　54、give

　　55、be/become

最佳答案:

　　Dear Mr Wang，

　　My name is Zhan Yan.I'm a Grade 9 student.I have some problems and I need your help.

　　My father works in a company.There are always many people coming to my home.They talk to each other loudly and sometimes they even play cards together.They make a lot of noise and this is really terrible.I can't focus on my study.I don't know how to deal with this problem.Can you offer me some suggestions？ They would be most valuable.Thanks a lot.

　　Yours sincerely，

　　Zhang Yan