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单项选择题

I have made an ______ for you to see the doctor at eleven this morning.

A. appointment
B. arrangement
C. opportunity
D. assignment
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热门试题

单项选择题Every field of chemistry ______ different chemical reactions.

A. holds
B. consists
C. composes
D. involves

单项选择题In Beijing there are many sites of historical interest______.

A. to be visited
B. of visiting
C. to visit
D. when visiting