单项选择题

Plastics ______ many conventional materials.

A．has take the place of
B．have taken place
C．have taken the place of
D．has taken place
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单项选择题
No news ______ good news.
A．is
B．are
C．be
D．were
单项选择题
When there are small children around, it is necessary to put bottlespills out of ______.
A．reach
B．hand
C．hold
D．place
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