单项选择题

It can not be used before( )

A．inspect
B．insoected
C．being inspected
D．inspecting
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单项选择题
CIF means Cost, ( ) and Freight.
A．Money
B．Inspect
C．Insurance
D．Inspection
单项选择题
I’m really positive that this product( )all the features you have always wanted．
A．is
B．are
C．have
D．has
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