单项选择题

If you think education is expensive, wait till you see what ______ costs you.

A．ignorance
B．knowledge
C．expenditure
D．school
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单项选择题
The prominent scientist has been conferred an ______ degree by the university.
A．honored
B．honoring
C．honorific
D．honorary
单项选择题
The European Community says it will consider using force ______ is needed for peace keeping in the region.
A．what
B．that
C．such
D．so
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