更多"Their efforts to improve the com pr"的相关试题:
[填空题]Their efforts to improve the com production have been very (effect)（）
[填空题]Their efforts to improve the corn production have been very (effect)（）
[单项选择]Great efforts to increase wheat production must be made if bread shortages（）avoided.
A. will be
B. can be
C. are to be
D. were to be
[填空题]Their efforts to improve the school education have been very（）(effect).
[简答题]They have found that laughter really can improve people’s health.
[单项选择]A. Improve themselves.
B. Get rid of empty dreams.
C. Follow the cultural tradition.
D. Attempt something impossible.
[填空题]I am sorry to learn that you have made no (improve)______on the design at all.
