单项选择题

Who________ that first discovered America---the New Continent

A．was
B．it was
C．was it
D．did
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单项选择题
She has no interest in cooking and shopping, _______ I.
A．so do
B．neither do
C．so too am
D．nor am
单项选择题
Many things______ almost impossible in the ancient times are very common today.
A．being considered
B．considering
C．to consider
D．considered
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