单项选择题

I would have invited her to the party but I （）her well.

A.don’t know
B.didn’t know
C.doesn’t know
D.hadn’t known

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单项选择题

On this issue，different （）produce different conclusions.

A.ideas
B.eyes
C.points
D.perspectives

单项选择题

’For instance’means（）.

A.for example
B.for sake of
C.at instance
D.instantly