单项选择题

A well-written composition（）good choice of words and clear organization among other things.

A．calls on
B．calls for
C．calls up
D．calls off

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单项选择题
The output of our factory is now three times（）it was three years ago.

A．what
B．that
C．as
D．which
单项选择题
Any person（）to leave the country must first obtain a passport.

A．who decides
B．who decide
C．who he or she decides
D．he or she decided
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