题目内容

Paper money was in ____ use in China when Marco Polo visited the country in ____ thirteenth century. ( )

A. the, 不填
B. the, the
C. 不填,the
D. 不填,不填

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She is _____ newcomer to ____ chemistry but she has already made some important discoveries. ( )

A. the, the
B. the, 不填
C. a, 不填
D. a, the

Many people agree that ___ knowledge of English is a must in ____ international trade today. ( )

A. a, 不填
B. the, an
C. the, the
D. 不填,the

______ usually go to church every Sunday. ( )

A. The Brown
B. A Brown
C. Browns
D. The Browns

Jack comes from Ireland, but _____(我) come from the US.

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