问答题

Directions:
Your friend has been taking care of your house for a year while you were on business at abroad. Write a letter to him/her which should include the following points: (1) the purpose of writing the letter; (2) express your appreciation of his care; (3) invite him to a dinner as a reward. 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.