文中词汇表达贫乏,但是单词拼写做的不错;句法方面做的很棒,加强复杂句的使用;上下文衔接手法不熟练,没有能够有效的使用衔接词;请提高文章内敛性,段落和句子要围绕主题展开。
Dear Mary, I am so happy for you because your birthday'll coming. First, I am congratulate you on birthday,but I must tell you I can't come on your birthday, I am so sorry. Now let me tell you what will I do on weekend. I have to help my mother do our housework on sunday, and then, I will doing my homework but It's too much to do.After that, I'll have the Chinese class. So excuse me for that please, I really want to go your birthday party but I can't. Yours, Lucy