题目内容
Paper money was in ____ use in China when Marco Polo visited the country in ____ thirteenth century.
| A．the; / | B．the; the | C．/; the | D．/; / |
C
解析试题分析：句意：在 马可波罗13世纪到中国来的时候，纸币就在中国使用了。(be) in use 为习惯用语，意思是“在使用中”，不与冠词连用；thirteenth 为序数词，序数词前面通常使用定冠词。选C。
考点：考查冠词
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| A．a; a; an | B．an; / ; an | C．the; /; an | D．a; the; an |
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| A．The; the | B．The; a |
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