注意：此页面搜索的是所有试题
题目内容
（国家开放大学报关实务）
We regret our inability to entertain your request that our L/C ____ confirmed by a local bank in your city.
A.being
B.be
C.has been
D.should have
A.being
B.be
C.has been
D.should have
参考答案
