单项选择题

The tourist is prevented from entering a country if he does not have a (n) passport.

A．operative
B．effective
C．valid
D．efficient
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______ I to do this job, I should need your advice.
A．Be
B．Am
C．Was
D．Were
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Many scholars believed that this period was not the ______ of the Romantic literature but mere the beginning.
A．maximum
B．pitch
C．climax
D．summit
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