单项选择题

A．Repairing a printer.
B．Positioning a personal computer.
C．Selecting a CD player
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单项选择题
A． A bowl.B． A lamp. C．A vase.
A． A bowl.
B． A lamp.
C．A vase.
单项选择题
A．Asking the customer’s opinion.B．Offering a cheap sample.C． Explaining a price rise.
A．Asking the customer’s opinion.
B．Offering a cheap sample.
C． Explaining a price rise.
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