21. —I’m sorry I broke your mirror.           —Oh,really?_________.
A. It doesn’t matterª¤      B.It’s OK with me
C .Don’t be sorryª¤        D.I don’t care

22.  As I______ the little grass house in the forest, my heart beat more and more quickly.
   A. approached    B. walked    C. ran       D. stepped
23. As far as I know ,the sports meet has been_________until next week because of the bad weather.
   A.put away           B.put down      C.put back           D.put off

24. Mr Black is the professor_________I have the greatest respect.
A.to whom              B.for whom     C.whom              D.whoª¤

25.They are_________ to eat Chinese food though they have been in America for years.
A.    interested          B.pleaseª¤ C. content         D.fond

26. When_________why he was late, he made no answer.
A.questioned            B.questioning   C.asking questions        D.questionª¤