Directions:
You are invited to a dinner at a friend's house, but you are not able to attend because of the preparation for a coming examination. Write a letter to your friends to express your apology, explain your reason, and suggest a meeting at another time.
You should write about 100 words on ANSWER SHEET 2.
Do not sign your own name at the end of the letter. Use "Li Ming" instead.
Do not write the address.