11. You'd better take these documents with you __ you need them for the meeting.
A. unless B. in case
C. until D. so that
12. I haven' t been to a pop festival before and Mike hasn' t __
A. too B. as well
C. neither D. either
13.__ is known to the world, Mark Twain was a great American writer.
A. As B. Once
C. That D. It
14. John complained to the bookseller that there were several pages______ in the dictionary.
A. lacking B. losing
C. missing D. dropping
15. Not until the game had begun __ at the sports ground.
A. should he have arrived B. would he have arrived
C. did he arrive D. had he arrived
16. Moviegoers know that many special effects are created by computers, they often don' tknow is that these scenes still require a lot of work.
A. That B. Whom
C. What D. How
17. The president is to give a formal __ at the opening ceremony.
A. speech B. debate
C. discussion D. argument
18. When I am confronted with such questions, my mind goes __, and I can hardly remember myown date of birth.
A. faint B. blank
C. dark D. blind
19. If they are willing to lend us the money we need,all our problems will be__
A. solved B. caused
C. covered D. met
20. This article __ more attention to the problem of cultural conflicts.
A. cares for B. allows for
C. applies for D. calls for