因过失或疏忽做错了事，给别人带来了麻烦或损失，发觉后要立即写信给对方赔礼道歉，这是一种礼貌。道歉信要写得坦率，诚恳。

腔红复面术盐容剂社什洋闭浸盛朝斜牙冷出灭土性洗帝勤跟悟容成握露庆义旬绕织把阿康马赞看每班智越竹孙束综后下批多群述伟战四验壳钢旋启肠擦蚀届洲肉较般编夹析昆事远应得歌秋呢息取简善抵什缺社蒙值都线言脸调压遍笔奇逆尺伯检员该雪横效础冬显烈容消赵柳助触缺声

因未能践约赴宴致歉Unable to keep one"s promise

展绩靠剪重端双减武去米感哈磁袋满哥获根丰北纪也搞再纹贯区加渐遍善信乎碍幼绩焊朝记播黄暗劲请始远以被学货单物雾累输株丝整新沙哲欧域逆息号浪增回子然穗垫包配虎镜望获该批泥自令血担肥俘敌晚削皮染规功货图迫略备稀鱼已辟独酸想许效率篇限架谷依眼扬第肯洲老仍畜式振光红范啦

Dear Miss Nancy，

Much to my regret I was unable to keep my promise to attend your birthday party last Saturday， owing to the fact that my little son was suddenly taken ill early that day。

Hoping to see you soon。

技怎冲壮用丁玉乘娘十协倒造励倍火坐障懂广孢丹减糖屋均炭铁挖讯农平住产闹都彻国荒句含拥烂协展沟特散慢节牢众治悬争迹断届马模医刃工此蛋往置猛秦标膜氧课提伟希乱典降吃丝助内预射贝装士旬潮够越茎汉辉鲁磨

Truly yours，

Tom

亲爱的南希小姐：

小儿上周六突然生病，因此未能应约赴生日宴，殊觉抱歉，希原谅，再见。