单项选择题

The dentist had to remove two teeth because they were decaying.

A．going bad
B．destroying
C．going to pieces
D．rotten
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单项选择题
I'd like to report a theft: someone has stolen my bicycle.
A．criminal
B．robbery
C．protection
D．stealing
单项选择题
On this trip, Frank made a coordinated effort to get along with the press.
A．sedate
B．concerted
C．concrete
D．seclusive
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