C. the watch costed D. the watch costs
13. Mary is ________ someone might recognize her.
A. afraid of B. afraid about
C. afraid that D. afraid for
14.________ is no reason for dismissing her.
A. Because she was a few minutes late
B. Owing to a few minutes late
C. The fact that she was a few minutes late
D. Being a few minutes late
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
16. Why the explosion occurred was ________ the laboratory attendant had been careless.
A. for B. because C. since D. that
17. I don't doubt ________ he'll come.
A. that B. if C. what D. whether
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
19. Output is now six times ________ it was before liberation.
A. that B. which C. what D. of 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
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
22. We gave him ________ help we could.
A. which B. what C. that D. this
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