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题目内容
（国家开放大学国际航运英语与函电）
下列说法表示“非常遗憾，我们奉告您关于......”的是（ ）
A.We regret to inform you that (of)
B.It is to be regretted that I must inform you that (of)
C.I express my sorrow for announcing you that
A.We regret to inform you that (of)
B.It is to be regretted that I must inform you that (of)
C.I express my sorrow for announcing you that
参考答案
