单项选择题

This kind of material was seldom used in building houses during the Middle Ages.

A．never
B．rarely
C．often
D．only
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单项选择题
The last few weeks have been enjoyable.
A．close
B．near
C．past
D．several
单项选择题
What were the consequences of the decision she had made
A．masons
B．results
C．causes
D．bases
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