单项选择题

It is no ______ asking him to come now. He is busy.

A．use
B．excuse
C．useless
D．point
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单项选择题
The traditional approach with complex problems is to break them down into smaller, more easily managed problems.
A．to dealing
B．of dealing
C．dealing
D．to deal
单项选择题
I don't like Mozart. ______ .
A．Nor do I
B．Either do I
C．So do I
D．I don't too
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