单项选择题

Cement was seldom used in building the Middle Ages.

A. crudely
B. rarely
C. originally
D. occasionally
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They had a far better yield than any other farm miles away around this year.
A. goods
B. soil
C. climate
D. harvest
单项选择题
The city has decided to do away with all the old buildings in its center.
A. get rid of
B. set up
C. repair
D. paint
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