23. How I wish there_________no homework and exams in the world!

A. has      B. were    C. will be     D. had

24. I hear______money have been collected in your school for the earthquake-hit area in Wenchuan, Sichuan Province.

A. a great many       B. quite a few      C. quantities of         D. a good supply

25. ---Catherine, I have cleaned the room for you.

---Thanks. You_____ it. I could manage it myself.

A. needn’t do      B. needn’t have done

C. mustn’t do     D. shouldn’t have done