Four-fifths of the crop ______.
A. are ruined
B. was ruined
C. were ruined
D. have been ruined
查看答案
Three-fourths of the buildings ______.
A. was destroyed
B. is destroyed
C. were destroyed
D. has been destroyed
Early to bed and early to rise ______ a man healthy, happy and wise.
A. making
B. to make
C. make
D. makes
Mathematics ______ the language of science.
A. is
B. has been
C. are
D. have been
The young ______ the vital forces in our society.
A. is
B. has been
C. are
D. have been
微信支付 
支付宝支付