3. ___ information___ stored in this computer.

A. Large quantities of, have been B. A great many, has been C. A large quantity of, were D. Quite a lot, is

2. -How did it___ that you made so many mistakes in your homework?-I myself haven’t figured it out yet.

A. bring about　　 B. come about　　　 C. come across　　 D. occur to

1. The price___, but I doubt whether it will remain so.

A. went down　　 B. will go down　　 C. has gone done　　 D. was going down

20. My brother John ___ be a good man, but he cannot be a great man.

A. will　　　 B. should　　　 C. can　　　　　 D. must

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19. Being lazy ___ Peter his job.

A. lost　　　 B. cost　　　　 C. took　　　　 D. made

18. In China, shaking hands with each other is a common ___ when people meet for the first time.

A. sense　　　　 B. practice　　　 C. rule　　　 D. scene

17. In order not to be disturbed, I spent three days ___ up in my study.

A. locking　　　 B. being locked　　 C. to look　　 D. locked

16. -The English exam is not difficult, is it?　 -___ . even Tom ___ to the top students failed in it.

A. Yes, belonged　 B. No,　 belonged　 C. Yes, belonging　 D. No, belonging

15. The only season that makes one feel ___ is the spring.

A. lively　　 B. living　　 C. live　　 D. lovely

14. -How come you are late for class again?　 -___.

A. Because I missed the bus　 B. By bus and then on foot　 C. Please excuse me　 D. It’s quite wrong