单项选择题

The machine needs a complete______since it has been in use for over ten years.

A．amending
B．fitting
C．mending
D．renovating
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单项选择题
There were many people present and he appeared only for a few seconds, so I only caught a______of him.
A．glance
B．glimpse
C．look
D．sight
单项选择题
I'm very glad to know that my boss has generously agreed to______my debt in return for certain services.
A．take away
B．cut out
C．write off
D．clear up
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