单项选择题

We ( )some usual international practices.

A．have adopted
B．adopt
C．adopted
D．have been adopted
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单项选择题
The goods are now ready( )packing.
A．of
B．to
C．with
D．for
单项选择题
These drawings( )the wall are process sheets.
A．in
B．over
C．on
D．/
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