不能赴约 Cant keep the appointment

Dear Tom，

亲爱的汤姆，

　　I am indeed very sorry that I cant go to Beijing with you next week， which I have promised。 I feel sorry about it and want you to know what happened。

　　我真的很抱歉，我下星期不能和你一起去北京了，我已经答应过了。我对此感到抱歉，想让你知道发生了什么事。

　　Just now ， my cousin ，Li qiang ，who left home to Australia for his further study last year， informed me that he would return this Saturday morning and asked me to pick him up at the airport with his family。 You know ， we havent seen each other for nearly a year。

　　刚才，我表弟李强去年离家去澳大利亚深造，他告诉我他将于本周六上午回国，并让我和家人到机场接他。你知道吗，我们已经快一年没见面了。

　　I sincerely hope you can accept my apologies and understand me 。 I would appreciate your allowing me to make another date to show you around Beijing 。 Once again， Im sorry for any inconvenience caused。

　　我真诚地希望你能接受我的`道歉并理解我。如果您允许我再约个时间带您游览北京，我将不胜感激。再次对给您带来的不便表示歉意。

　　Sincerely yours ，

　　谨致问候，

　　Li hua

　　李华