单项选择题

If I ______ that your business was growing so rapidly. I wouldn't have been worried about it.

A．know
B．knew
C．had known
D．have known
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单项选择题
The small company is ______ to handle this large order.
A．able
B．probable
C．reasonable
D．possible
单项选择题
The work seemed easy at first but it ______ to be quite difficult.
A．broke out
B．turned out
C．worked out
D．set out
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