高等继续教育 / 经贸英语
正确率：100%
题型描述: 单选题
Please _ _ _ _ _ _ _ _ the shipment date of your L/C to October 15 and validity to October 30.
A.establish
B. extend
C.expand
D.amend
Please _ _ _ _ _ _ _ _ the shipment date of your L/C to October 15 and validity to October 30.
A.establish
B. extend
C.expand
D.amend
参考答案：