24. Excuse me, would you please tell me _____?

A. when the sports meet is taken place 　　　　　　　　　　 B. when is the sports meet going to be held

C. when is the sports meet to begin 　　　　　　　　　 D. when the sports meet is to take place

23. She is pleased with what you have given him and _____ you have told him.

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

22. Do you know _____ ?

A. what is this used for 　　　　　　　　　　　 B. what this is used for

C. which this is used 　　　　　　　　　　　　 D. that this is used for

21._____ surprised me most was _____ such a little boy of seven could play the violin so well.

A. That...what　　 B. What...that 　　　　　　　　 C. That...which 　　　　　 D. What...which

20. Mary: Helen is a mere washer woman, yet she's now buying a big house.

Carol: Yes. Because she's always saved _____.

A. what little she earns 　　　　　　　　　　　　　　 　　　 B. how little she earns

C. for little she earns　　　　　　　　　　　　　　　 　　　 D. with little she earns

19. Output is now six times _____ it was before liberation.

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

18."Why did you go to the wrong class, Mr. Wang?"

"Well, I forget _____ I was supposed to go to."

A. which the room　B. which room 　　　　　　　 C. what was the room 　 D. what room was it

17. I don't doubt _____ he'll come.

A. that　　　　　　　　 B. if　　　　　　　　　　　　　 C. what　　　　　　　　　　 D. whether

16. Why the explosion occurred was _____ the laboratory attendant had been careless.

A. for　　　　　　　　 B. because　　　　　　　　 C. since　　　　　　　　　　 D. that

15. They came to the conclusion _____ by a computer.

A. that not all things can be done 　　　　　　　 B. because of not all things be done

C. being not all things can be done 　　　　　　 D. because not all things can be done