11.The girl has lived here since 1991. (对画线部分提问)　

　 　　　　　　　　　　　　the girl 　　　　here?

答案：How long has;lived

10.All of us want to know how 　　　　　(play) computer games.

答案：to play

9.The girl left the classroom without 　　　　　(say) anything?　

答案：saying

8.Our city 　　　　(change) a lot since 2001.　

答案：has changed　

7.Project Hope has built schools and 　　　　(library).

答案：libraries

6.Have you 　　　　　(do) anything to keep the water clean?　

答案：done

5.How long has Lingling 　　　　　　(认识)Sally?

答案：known

B.用所给单词的适当形式填空　

4.In fact,since 1989 　　　　　　(工程)Hope has built schools all over China.　

答案：Project

3.The plane has a　　 in Tianjin already.　

答案：arrived

2.-Have you heard a　　Lei Feng?　

- Yes,of course.　

答案：about