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[单选题]
A confirmed, irrevocable letter of credit, covering the order for us $20000 in their favour, was opened () Until march
A.effectively
B.expiry
C.available
D.validity
查看答案
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A.effectively
B.expiry
C.available
D.validity
This letter is _____ our telephone conversation this morning.
A、confirmed
B、to confirm
C、to have confirmed
D、to be confirmed
A.confirmed
B.documentary
C.clean
D.usance
A.正确
B.错误
A.proposed
B.proved
C.confirmed
D.confronted
A.confirmed
B.combined
C.committed
D.completed