28.(　 )I saw a message on my desk. Who has 　　　　　it here？

　　 A.taken　　 B. forgotton　　 C.given　　 D.left

27.(　 )The woman kept 　　　　the window the whole morning.

　 A.to clean　　 B.cleans　　 C.cleaned　　 D.cleaning

26.(　 )Our teacher 　　　　us that you were going on a trip.

　 A.asked　　　 B.said　　　 C.told　　　 D.spoke

25.(　 )How long have you been　　　 this school?

　 A.to　　　 B.for　　　 C.in　　　 D.X

24.(　 )We are very proud　　　 our school.

　 A.about　　 B.in　　 C.of　　　 D.to

23.(　 )Do you know　　　　　　 ?

　 A.how using a computer　　 B.how to use a computer

　 C.how used a computer　　　 D.how a computer to use

22.(　 )　　　 the man is very old, 　　　　he has never stopped studying.

　 A. Though; but　 　　　　　　B. Thongh; and

　 C. Though; then　　　　　　 D. though; /

21.(　 )How long have you　　　　 Greener China?

　　 A.joined　 B.become　 C.been a member of　 D.left

20.(　 )They　　　　 three English songs so far.

　　 A.learn　 B.learned　 C.are going to learn　 D.have learned

19.(　 )David, an　　　　 boy, can write in Chinese.

　　 A.eight-years-old　　　　　 B.eight-years

　　 C.eight-year-old　　　　　 D.eight-years old.