单项选择题

If the whole surgery______ beforehand carefully, there would have been a better result.

A．was planned
B．has been planned
C．had been planned
D．were planned
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单项选择题
Many people are reported______ in the natural disaster.
A．being killed
B．to be killed
C．to have killed
D．to have been killed
单项选择题
Convenience foods which are already prepared for cooking are______ in stores.
A．ready
B．available
C．probable
D．approachable
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