[单项选择]They had to stop the production line for nearly two hours after a problem was discovered and the workers had to wait until they （） instructions from their superiors.
A. raised
B. received
C. persuaded
D. contended

[单项选择]The journalists (had to) stop (working) on the news (that) the president had suddenly (as soon as) they heard it.
A. had to
B. working
C. that
D. as soon as

[单项选择]I didn't stop at John's house because he had visitors, and I didn't want to butt in.
A. intrude
B. incur
C. infer
D. intercept

[单项选择]The group of boys had to stop because ______.
A. they had reached the peak
B. one of the boys was badly injured
C. one of the boys was sick
D. they had to return to the hut

[单项选择]A long line of traffic had to wait at the ______ until the train had passed.


A. crossroads
B. junction
C. level-crossing
D. bridge

[单项选择]She had recently left a job and had helped herself to copies of the company's client data, which she intended to ______ in starting her own business.


A. dwell on
B. base on
C. draw upon
D. come upon

[单项选择]

George had stolen some money. The police had caught him and he had been put in prison. Now his trial was about to begin and he felt sure that he would be found guilty and sent to prison for a long time.
Then he discovered that an old friend of his was one of the members of the jury at his trial. Of course, he didn’t tell anybody, but he managed to see his friend secretly one day. He said to him, "Jim, I know that the jury will find me guilty of having stolen the money. I cannot hope to be found not guilty of taking it — that would be too much to expect. But I should be grateful to you for the rest of my life if you could persuade the other members of the jury to add a strong recommendation for mercy to their statement that they consider me guilty."
"Well, George," answered Jim, "I shall certainly try to do what I can do for you as an old friend, but of course I cannot promise anything. The other eleven people on the jur
A. He thought George was guilty.
B. George's case was too serious.
C. The other members might not listen to his recommendation.
D. He did not want to help Georg