单项选择题

______ way is more efficient is still a question.

A．What
B．Which
C．That
D．Whether
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单项选择题
This town is famous ______ its historical homes.
A．for
B．about
C．with
D．by
单项选择题
It is those people who ______ most angry at what is going on at university campuses.
A．is
B．was
C．were
D．are
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