About 60 percent of the students ________ from the south, the rest of them ________ from the north and foreign countries.
A. are ;is
B. are; are
C. is; are
D. is; is
查看答案
Half of the workers here ________ under 30 ________.
A. is; years
B. are; year old
C. is; years old
D. are; years of age
Now Tom with his classmates ________ football on the playground.
A. play
B. are playing
C. plays
D. is playing
The number of pages in this dictionary ________ about two thousand.
A. are
B. has
C. have
D. is
Thirty dollars ________ too expensive.
A. are
B. is
C. were
D. be
微信支付 
支付宝支付