______ instructed in your letter of September 5. we have opened a letter of credit for your account valid ______ February 9,2015.
A.When,in B.As,until C.Though, from D.While. on正确答案B
______ instructed in your letter of September 5. we have opened a letter of credit for your account valid ______ February 9,2015.
A.When,in B.As,until C.Though, from D.While. on正确答案B
