单项选择题

Everyone should ______ the danger of smoking.

A．aware that
B．be aware of
C．aware of
D．be aware that
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单项选择题
The student wrote a ______ report.
A．ten pages
B．ten-page
C．page ten
D．ten-pages
单项选择题
We have to wait for them to ______ a solution to the problem.
A．up with
B．come with
C．come with up
D．come up with
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