第1个回答 2010-08-21
I am afraid you have sent the letter to a wrong address.
第2个回答 2010-08-21
I think you have sent this letter to a wrong address.
I think your letter has a wrong mailing address.本回答被提问者采纳
第3个回答 2010-08-21
I think this letter you sent to the wrong address
第4个回答 2010-08-21
i think you have already mailed the wrong address