简单句比重过高,另应加强复杂句的练习;作者词汇量偏少,但单词拼写做的不错;层次欠清晰,衔接成分很少;
Dear David, I was glad when I heard of you will come to LanZhou to study Chinese.I will help you in how to learn Chinese.First,you should communicate to your Chinese friends.Then,you should build up a useful vocabulary.What's more you should have good study habits.That'all. Hope everything is going on well with you. Yours, Chen Quan