25. The little girl couldn't work the problem out. She wasn't ____ clever.

A. that　　 B. much　　 C. enough　　 D. too

24. I have no one ____ me, for I am a new comer here.

A. help　　 B. helping　　 C. to help　　 D. to have helped

23. The engineers made two big plans for the dam, ____ was never put in force.

A. one of them　　 B. which　　 C. one of which　　 D. every one of which

22. --What do you think of the concert?

　　 --I really enjoy it. I didn't expect it was ____ wonderful.

A. as　　 B. more　　 C. most　　 D. very

21. --Tom, you are caught late again.

　　 --Oh, ____.

A. not at all　　 B. just my luck　　 C. never mind　　 D. that's all right

20. ____ the temperature might drop, coal was prepared for warming.

A. To consider　　 B. Considered　　 C. Considering　　 D. To be considered

19. --We must thank you for taking the trouble to cook us a meal.

　　 --____.

A. With pleasure　　 B. It doesn't matter　　 C. It was no trouble at all　　 D. By all means

18. --Do you mind if I smoke?

　　 --____

A. Why not?　　 B. Yes, help yourself　　 C. Go ahead　　 D. Yes, but you'd better not

17. --So you missed the meeting.

　　 --____. I got there five minutes before it finished.

A. Not at all　　 B. Not exactly　　 C. Not especially　　 D. Not really

16. ____ from endless homework on weekends, the students now find their own activities, such as taking a ride together to watch the sunwise.

A. Freed　　 B. Freeing　　 C. To free　　 D. having freed