单项选择题

______ is well known, the key to success lies in hard work.

A．As
B．That
C．Which
D．What
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单项选择题
He is very ______ in using money.
A．economic
B．economical
C．economy
D．economize
单项选择题
______ English, she is studying Japanese and French.
A．Except
B．Except for
C．Beside
D．Besides
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