单项选择题

A．Pick out all the glass and metal.
B．Get rid of dust.
C．Burn waste paper.
D．Screen earth and san
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单项选择题
A．To keep her carpet clean.B．To protect her carpet.C．To avoid tripping on the carpet.D．To keep their feet warm.
A．To keep her carpet clean.
B．To protect her carpet.
C．To avoid tripping on the carpet.
D．To keep their feet warm.
单项选择题
A．Empty bottles.B．Bottle glass.C．A: Garbage from food.D．Old ears.
A．Empty bottles.
B．Bottle glass.
C．A: Garbage from food.
D．Old ears.
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