小学一年级英语作文:Good friend

文中词汇表达贫乏，但是单词拼写做的不错；正确句子比例很高，但需多多加强从句的使用；衔接成分太少，文章结构欠佳。

Do you know Tom?He is my best friend. Due to he is a clever boy.So his favourite subject is maths.He can not only play the piano but also play the Sun.He plays the piano at the concert in the The National Grand Theater.I am proud with him.We play together in the school.So we are very happy.Tomorrow is his birthday.I will buy a present for him.Give him a surprise.I think he is happy.