11. If you want a ticket for a round-trip, sir, you’ll have to pay _____ $80.
A. another
B. other
C. each
D. more
12. Both of the two rulers are broken. I want to buy a _____ one.
A. three
B. third
C. forth
D. /
13. _______ of the earth ______ made up of oceans.
A. Two third; is
B. Two thirds; is
C. Two third; are
D. Two thirds; are
14. Most of us don’t know _____ about how life is formed.
A. many
B. little
C. few
D. much
15.—Is this short-wave radio ______?
—No. It belongs to _____.
A. yours; me
B. yours; his
C. her; him
D. yours; her
16.—Have you got any books on music? I want to borrow ______.
—Yes. You can find them on the top shelf of the second bookcase.
A. it
B. any
C. one
D. them
17.—Have you read the paper?
—Yes, but I don’t think there’s ______ new in it.
A. something
B. nothing
C. anything
D. everything
18. ______ of the two boys are clever enough to work out the problem.
A. Either
B. Both
C. Some
D. Many
19. Jack Booth is a ______ man.
A. 21-years-old
B. 21 years old
C. 21-year-old
D. 21 year old
20. I’ve lived here for about _______.
A. two and a half year
B. two and a half years
C. two year and a half
D. two years and half
参考答案：1～5 BDBBC 6～10 BDBDD 11～15 ABBDD 16～20 CCBCB
