单项选择题

They are put to work when young, and they stay ______.

A．to
B．down
C．up
D．put
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单项选择题
A great amount of work has gone into ______the Cathedral to its previous splendor.
A．refreshing
B．restoring
C．renovating
D．renewing
单项选择题
A．passB．reachC．goD．set
A．pass
B．reach
C．go
D．set
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