单项选择题

John''s success in his career will be a great_________ to his aged parents.

A．satisfaction
B．concentration
C．attraction
D．solution
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单项选择题
The _______the proposal is considered, the worse it appears.
A．carefully
B．much carefully
C．more carefully
D．most carefully
单项选择题
Most of the machines in the workshop _________next month.
A．are repaired
B．have been repaired
C．were repaired
D．will be repaired
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