单项选择题

Much ______ I have traveled, I have never seen anyone to equal her in efficiency.

A．although
B．as
C．while
D．if
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单项选择题
He is neither ______ European, nor ______ American. He is from ______ Australia.
A．a; a; /
B．a; an; the
C．a; an; /
D．an; an; /
单项选择题
______ the 2008 Olympic Games will be held in Beijing is quite clear to the people all over the world.
A．That
B．Whether
C．What
D．If
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