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题目内容
（国家开放大学英语语法）
( ) your letter of March 5, we are pleased to inform you that the L/C has been received.
A.In reply to
B.Replying for
C.. Replied to
D. Replied for
A.In reply to
B.Replying for
C.. Replied to
D. Replied for
参考答案
