单项选择题

We（） some usual international practices.

A．have adopted
B．adopt
C．adopted
D．have been adopted

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热门试题

单项选择题

A．document against acceptance; document against payment; payment against arrival
B．document against payment; document against acceptance; payment against arrival
C．document against acceptance; payment against arrival; document against payment
D．payment against arrival; document against payment; document against acceptance

单项选择题

Thank you for you（）

A．cooperate
B．cooperating
C．cooperation
D．cooperated