单项选择题

The Japanese used to ______ ten million tons of coal each year.

A．extract
B．contract
C．subtract
D．constrain
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单项选择题
Fill all the holes with ______ first before you paint the wall.
A．perfume
B．grease
C．plastic
D．plaster
单项选择题
With its expensive furniture and carefully chosen color scheme the room looked quite ______.
A．luxurious
B．cognitive
C．colonial
D．homely
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