单项选择题

装配有灭火装置的拖船 ( )

A．9
B．11
C．18
D．21
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单项选择题
Would you please supply ______ a complete set of catalogues for textile accessories so that we may make choice and work on them.
A．us
B．us with
C．us by
D．us for
单项选择题
As we are _____ Table Cloth, we should be pleased if you would send us your best quotations.
A．in the market for
B．on the market for
C．entering the market for
D．at the market for
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