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兰州大学大学英语(4)课程作业
It ________ around nine when I drove back home because it was already dark. A. had to be B. was to be C. must have been D. must be
We also use other forms of communication ________ we may be aware or unaware. A. to which B. of which C. which D. that
A computer can only do ___ you have instructed it to do. A. how B. after C. what D. when
Nobody knows _______________ how many people are to be blame for the coal-mine accident, so the government is trying to find out the whole truth about the accident. A. call out B. get ahead C. wake up D. come to
No one in the class could ________ the right answer to the question. A. describe B. furnish C. install D. assess
I remember _____________ to help us if we ever got into trouble. A. once offering B. him once offering C. him to offer D. to offer him
There _______ a lot of _______ on the roads yesterday. A. was , traffic B. were ,traffics C. was ,traffics D. were ,traffic
He was running ____________ the pace he had learnt from the natives. A. on B. at C. by D. in
Helen was much kinder to her youngest child than she was to the others, ___________, of course, made the others jealous. A. who B. that C. what D. which
The police searched the city in an effort to catch the man who ______ murder last week. A. limited B. made C. did D. committed
That young man has made so much noise that he ___ not have been allowed attend the concert. A. could B. must C. would D. should
________ you are free, why not go skating with us? A. Because B. Since C. As D. For
They had to examine the dead tiger before they had a _______ answer as to who killed it. A. positive B. senior C. virtual D. vital
Usually, _______ care for children.s ______ A. woman writers,lives B. women writer,life C. women writers,life D. women writer, Lives
This novel is ____ reading. A. worthy B. Worthwhile C. worth D. worth one’s while