单项选择题

用4mm宽的聚丙烯塑料扁条交织成的席子 ( )

A．34
B．31
C．25
D．20
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Will you please remit the extra charges to the City-Bank New York ______ our credit
A．by
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As we are ______ the market for Table Cloth, we should be glad if you would send us your best quotation.
A．in
B．on
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