问题
选择题
There has been an increase in the technical cooperation and cultural__________between China and other
countries in the past ten years.[ ]
A.change
B.trade
C.bargain
D.exchange
答案
答案:D
There has been an increase in the technical cooperation and cultural__________between China and other
countries in the past ten years.[ ]
A.change
B.trade
C.bargain
D.exchange
答案:D