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

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

13. Mary is ________ someone might recognize her.

A. afraid of 　B. afraid about 　　 C. afraid that 　D. afraid for

12.I wonder how much ________.

A. does the watch cost 　　　　　　 　B. did the watch cost

C. the watch costed 　　　　　　　　 D. the watch costs

11. When and why he came here ________ yet.

A. is not known B. are not known 　　 C. has not known 　D. have not bee

10. I am sure ________ he said is true.

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

9. He asked me ________ with me.

A. what is the trouble 　　　　　　　 B. what wrong was

C. what was the matter 　　　　　　　 D. what trouble it is

8. It is generally considered unwise to give a child ____ he or she wants.

A. however 　B. whatever　　　　　　 　C. whichever 　 　D. whenever

7. Have you seen Henry lately My boss wants to know ________.

A. how he is getting along 　　　　　 B. how is he getting along

C. what he is getting along 　　　　 D. what is he getting along

6. Henry killed the dog. I'll ask him why ________.

A. did he do that 　　　　　　　　　 B. he did that　

C. he did 　　　　　　　　　　　　　 D. he has done so