8. The two students _____ ( fought , was fighting ) when the teacher walked into the room .

7. I _______ (talked , was talking ) with Mrs. Green at this time yesterday .

6. Who ________ ( sang , was singing ) at ten last night ?

5. I knew she ______ ( was going , had been ) to Shanghai twice .

4. Kate ______ (cleaned , was cleaning ) the windows the day before yesterday .

3. Jack told me he ______ ( came , would come ) back next month.

2. The glass ______ (dropped , was dropping ) to the ground and broke into pieces .

1. His father _____ ( took , was taking ) a walk in the street when I met him .

14. -----Do you have ______ water ?

　　 -----Yes , I do .

　　 A. some　　 B. any　　 C. all　　 D. many

13. Don’t shout . You ______ be quiet in the library .

　　 A. must　　 B. mustn’t　　 C. can　　 D. can’t