单项选择题

— ____________ should I take the medicine
— Three times a day.

A．How many pills
B．How much
C．How often
D．How many
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单项选择题
—You mean you know the man—No, I know ____________ man exactly like him.
A．an
B．the
C．/
D．a
单项选择题
He said that he would drop ____________ at the Union Club on his way home.
A．on
B．to
C．in
D．of
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