道歉信
Directions:
　　Directions: Your friend Xiao Feng invites you to attend his birthday party. But you are not able to attend it, Write a letter to him to
　　（1） express your regrets,
　　（2） state the reason,
　　（3） offer your congratulations.
　　You should write about 100 words. Do not sign your own name at the end of the letter. Use "Li Ming" instead. You do not need to write the address.

[问答题]Directions: Your friend Xiao Feng invites you to attend his birthday party.

[问答题]推荐信Directions:　　Your friend Xiao Ming saw you off on your trip to another c

[问答题]推荐信Directions：　　You are a professor in a department. One of your graduates

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[问答题]邀请信Directions:　　You are preparing to organize a lecture and in need of a pr

[问答题]求职信Directions:　　You will graduate from university and are hunting for a job

[问答题]便笺Directions:　　You have taken a message from a phone call for your roommate

[问答题]询问信Directions:　　You are planning to study abroad. Write a letter of inquiry

[问答题]祝贺信Directions:　　You've heard that your good friend, Jack, got the first pri

[问答题]投诉信Directions: 　　The walkman you bought a month before is broken down. Writ