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A. more common B. common
4. Prices for bikes can run __________ $250.
A. so high as B. as high to C. so high to D. as high as
5. The relative size of an insect’s wing is much greater than __________.
A. that of a bird’s wing B. of a bird’s wing C. a wing of a bird is D. that wing of a bird
6. Ann works __________ than most of her friends.
A. much harder B. a lot more hardly C. more hardly D. more harder
7. Which of the following is __________ title for the passage?
A. best B. better C. the best D. good
8. The __________ source of power in 1970 was from natural gas with almost 25%.
A. most second important B. second most important C. second important most D. most important second
9. Cotton shirts feel __________ than polyester ones.
A. much softer B. more softly C. far more softer D. far more softly
10. Of the three courses I did, this one is __________ interesting.
A. the hardest and more B. harder but more C. the harder but more D. the hardest but most
11. Of the two films we watched yesterday, Titanic is __________.
A. the more interesting B. the most interesting C. better interesting D. as interesting
12. A quick look would __________.