1. You'd better take these documents withyou __ you need them for the meeting.
A.unless B. in case
C.until D. so that
2. I haven' t been to a pop festival beforeand Mike hasn' t __
A.too B. as well
C.neither D. either
3.__ is known to the world, Mark Twain was agreat American writer.
A.As B. Once
4. John complained to the bookseller thatthere were several pages______ in the dictionary.
A.lacking B. losing
C.missing D. dropping
5. Not until the game had begun __ at thesports ground.
A.should he have arrived B. would he have arrived
C.did he arrive D. had he arrived