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单项选择题
A．Insect guards.B．Some insect nets.C．A can of insect spray.
A．Insect guards.
B．Some insect nets.
C．A can of insect spray.
单项选择题
A．A baby in the waste basket.B．A mouse under a piece of paper.C．Pieces of paper on the windows.
A．A baby in the waste basket.
B．A mouse under a piece of paper.
C．Pieces of paper on the windows.
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