单项选择题

______ the practice, the best rule is the one that works.

A．As regards
B．As regard to
C．As regards with
D．In regard to
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单项选择题
A．howeverB．thereforeC．eventuallyD．better
A．however
B．therefore
C．eventually
D．better
单项选择题
A．ensuredB．assuredC．promisedD．emphasized
A．ensured
B．assured
C．promised
D．emphasized
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