单项选择题

A modern newspaper could not be sold at _________ without advertisements.

A．a cost
B．an advantage
C．a profit
D．an expense
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单项选择题
After twenty years of doing nothing, Patrick was finally on the _________ road.
A．right
B．precise
C．accurate
D．exact
单项选择题
Could you give me a rough _________ of what the job might cost
A．estimate
B．detail
C．account
D．value
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