Question

Paper money was in ________ use in China when Marco Polo visited the country in ________ thirteenth century.

A. the; /

B. the; the

C. /; the

D. /; /

 

Answer 1

答案：C
解析：

In use, 固定词组，“使用中”；在哪个世纪，前面要加定冠词the。

提示：