5. Polly goes to a gym twice ( )
week with her friends.
A. a
B. the
C. an
D. /
6. The war broke out ( )1914.
A. in
B. at
C. on
D. since
7. While crosing the street, he knocked( )our
car.
A. at
B. into
C. off
D. out
8. There is ( )sugar. You needn’t go to buy any.
A. plenty of
B. a large
number of
C. many
D. a
13. I know nothing about him ( )heis a teacher.
A. besides
B. in addition
C. except for
D. except that
14. The city has a population of over ( ).
A. five hundred million
B. five hundred millions
C. five hundreds million
D. five hundred millions people
15. I don't need ( )mineral water, but I'd like ( )tea,thanks.
A. some, any
B. any, any
C. any, some
D. many, some
16. The World Trade Center is higher than ( )I have ever seen during my visit.
A. any buildings
B. any other buildings
C. all the buildings
D. all of buildings