单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．＄2.6.
B．83.6.
C．＄1.6.
D．82.8.
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单项选择题
D
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 sand.
A．Pick out all the glass and metal.
B．Get rid of dust.
C．Burn waste paper.
D．Screen earth and sand.
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