25. - Jack, have you finished your project yet?

　- Certainly. _______ of fact, I finished it last week.

　A. As matter　　　 B. As a matter　　　　　　 C. As the matter　　　　 D. As matters

24. The Science Museum, ______ we visited during a recent trip to Britain, is one of London’s tourist attractions.

　A. which　　　　　　　　　　 B. what　　　　　　　　 C. that　　　　　　　　　　　　 D. where

23. She has three brothers, _______ is a doctor.

　A. all of them 　 　B. none of them　　　 C. all of whom 　　　　　 D. none of whom

22. -Do you mind if I record your lecture?

　-______. Go ahead.

　A. Never mind　　　　　　　　　　　　　　　　　　　 B. No way

　C. Not at all　　　　　　　　　　　　　　　　　　　　　　　　 D. No. You’d better not