单项选择题

A. Doctor and patient. B. Daughter and mother.
C. Passenger and bus driver. D. Customer and merchant.
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单项选择题
A. The library is in the busiest part of the city. B. The library has grass and trees around it. C. The roof of the main reading room is forty-one feet high. D. Its rooms are very large.
A. The library is in the busiest part of the city. B. The library has grass and trees around it.
C. The roof of the main reading room is forty-one feet high.
D. Its rooms are very large.
填空题
F
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