题目内容：

短文改错。

Li Hua My name is Li Hua. I was born in Dalian, Liaoning province on February 1977.

I started school in 1984 while I was seven. I studied in Guangming Primary School 1984 to 1990. After that I went to No.6 Middle School of Dalian and graduate this summer. The main subjects I studied at school including Chinese, maths, English, physics, chemical and computer. I like English and computer best but I am very good at them. Last year I had won first prize in the school computer competition. In my spare

time I enjoy listening to popular music and collect stamps. My favourite sport are

swimming in summer and skating in winter.