求帮忙看一下小弟的英语作文,有什么语法,用词错误的请指示修改下.3Q

题目

求帮忙看一下小弟的英语作文,有什么语法,用词错误的请指示修改下.3Q
Dear sir,
I’m a student at Ningbo University .On summer vacation ,I have a lots of time to do something what I like to do.
I think I should have a part-time job during the coming summer vacation.
In free time ,I like to do something about computer .So I think I will do well if I get the job .
I hope you will give me a chance to do it .If you think it will be ok ,please call 631059.
Thank you for reading this letter .I’m looking forward to your reply.
Your’s
Huang

答案

Dear sir,
I’m a student in Ningbo University .On summer vacation ,I have a lot of time to do whatever I like to do.
I think I should have a part-time job during the coming summer vacation.
In my free time ,I'd like to do something about computer .So I think I will do it well when I get the job .
I hope you will give me a chance to do it . If it is ok ,please call 631059.
Thank you for reading this letter .I’m looking forward to your reply.
Your’s
Huang