单词拼写做的很好,请注意积累词汇量;可适当增加从句使用,注意极个别句子错误;结构不严谨,几乎没有使用衔接词,上下文衔接欠流畅。
Dear John, Thanks for your invitation,I‘m sorry that i can't go to your home to eat dinner,Because i have to attend a very important exam.It's really important for me,so i am expected to prepare it for a long time.I hope you have a good time.We can have a dinner next time,I will invite you to my home.