单项选择We have the windows closed in order to the dust.A.keep outB.keep upC.keep aw
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单项选择We have the windows closed in order to ________ the dust.
A.keep out
B.keep up
C.keep away
D.keep back
试题答案
A
单项选择We have the windows closed in order to ________ the dust.
A.keep out
B.keep up
C.keep away
D.keep back
A