单项选择题

You can do it if you want to, but in my opinion it’s not worth the _____ it involves.

A．force
B．trial
C．attempt
D．effort
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单项选择题
The manager gave one of the salesgirls an accusing look for _____ her attitude toward customers.
A．straightforward
B．partial
C．favorable
D．hostile
单项选择题
We are _____ to the idea, but we doubt whether the time is ripe to put it into force.
A．equal
B．adequate
C．considerate
D．sympathetic
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