单项选择题

We could not pull apart two plates which ______ a vacuum, unless we spend great strength.

A．removed
B．substituted
C．enclosed
D．replaced
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单项选择题
What Punishment does the law ______ for corruption in government
A．predict
B．prescribe
C．assess
D．assume
单项选择题
After the accident, the driver stayed in the hospital and was ______ for cuts.
A．treated
B．cured
C．healed
D．recovered
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