1.His success was because of ________ he had been working hard.
B.the fact which
C.the fact that
2."Is Mary from New York City""I don't know _______."
A.from what city does she come from
B.from what city she come
C.what city does she come from
D.what city she comes from
3.________ makes mistakes must correct them.
4.The reason why I didn't go to Shanghai was ________ a new job.
A.because I got
B.because of getting
D.that I got
5.It worried her a bit ____ her hair was turning gray.
6.Henry killed the dog.I'll ask him why ________.
A.did he do that
B.he did that
D.he has done so
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
8.It is generally considered unwise to give a child ____ he or she wants.
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
10.I am sure ________ he said is true.
11.When and why he came here ________ yet.
A.is not known
B.are not known
C.has not known
D.have not bee
12.I wonder how much ________.
A.does the watch cost
B.did the watch cost
C.the watch cost
D.the watch costs
13.Mary is ________ someone might recognize her.
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
Answers:1-5.CDCDB 6-10.BABCD 11-15.ADCCA
1.The satellite ______ in a rocket.(launch)
2.The roof _____ under the weight of the snow.(collapse)
3.We should avoid _____ what we think about people different from ourselves.(decide)
4.The most _____ evidence of black holes comes from research into binary stars system.(convince)
5.There is a great deal of ____ about his retirement from active politics.(speculate)
1.A black hole exerts a strong gravitational pull and yet it has no matter.
2.If we understood black holes,they wouldn't be so dreadful to us.
3.His company collapsed as a result of poor management.
4.His figure was swallowed up in the dark.
5.Has the medicine started to operate?