可适当增加从句的使用;文中用词稍显贫乏,同时请注意单词拼写的检查;层次不清晰,几乎没有使用衔接词;请提高文章内敛性,段落和句子要围绕主题展开。
Dear Betty, Do you remember me? I am Tom,your best friend. First of all, i reviced you invitation and i am very happy.I want to go to your party. Scendly,but i am sorry,i can't do to your party. what's more,my mother was ill,i must care for her and stay at home. Last but not least,happy biestday.