单项选择题

With the help of the experts, the factory produced ______ machines in 2001 as the year before.

A．as twice many
B．as many as twice
C．twice as many
D．as twice as many
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This bed ______ too much room.
A．takes off
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C．takes up
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It was in the park ______ I met Mary yesterday.
A．where
B．that
C．what
D．when
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