A.extent B.extend C.expand D.effect extension for
单项选择题Our payment terms are （）, irrevocable letter of credit for the full invoice value.
A.combined B.confirmed C.committed D.completed
单项选择题We have arranged with the Bank of Japan, Tokyo, to （） a credit in your favor to be available until September 30.
A.draw B.establish C.make D.quote
