问题 选择题

-I don't know how to write the article assigned by our professor on international trade.   

-You should have ______ your attention on the lecture that ______ how international situation affects

exports and imports across the globe.    [ ]

A. put; concentrate on  

B. paid; talked about    

C. fixed; dealt on  

D. focused; focused on

答案

答案:D

问答题
填空题