He sings terribly. His dancing is even _____.

The burglar was caught__________.

A．while he left the house

B．when he was left the house

C．as he was leaving the house

D．as soon as he was leaving the house

Seldom ______so warmly welcomed.

A. has he been

B. he has been

C. was he

D. he had been

It was ______ the professor regarded with such contempt.

A. he who

B. him that

C. him whose

D. those

When he was a young man, he traveled about the world ______.

A．on its own

B．of its own

C．on his own

D．of his own

If he _____giving up smoking, he can make it.

A) sets the mind on

B) sets his mind on

C) has a mind

D) gives his mind to

When he just got off the plane, he gave us a good description of ______ in Africa.

A．what he had seen

B．that he had seen

C．which he had seen

D．he had seen what

Not until______ the whole thing to him ______that he was wrong.

A. had I explained, he realized

B. had I explained, that he realized

C. I had explained, that he realized

D. I had explained, did he realize

He would have played football but he______ time.

A．did not have

B．does not have

C．would not have

D．has no

______one can succeed depends on______hard he works.

A．That; how

B．That; however

C．Whether; how

D．Whether; however

Why didn't he eat anything？

A．He had forgotten to bring any food with him.

B．He was afraid he would fall asleep if he should eat anything.

C．He was not hungry.

D．It was difficult to eat while flying a plane.

The author raises the question “what about pain without gain？” because ________.

[A] he questions the truth of “no gain without pain”

[B] he does not think the productivity revolution works

[C] he wonders if the official statistics are misleading

[D] he has conclusive evidence for the revival of businesses