谁帮我看看这篇英语作文有没有什么错误,有错帮忙说下正确句子.

谁帮我看看这篇英语作文有没有什么错误,有错帮忙说下正确句子.
Dear Zhang Jing:
Hello!
I know tomorrow is your birthday .I hope you will have a wonderful birthday .But I’m so sorry I can’t come to your birthday party .Because in these days ,I’m very busy.
In the morning ,I usually get up very early ,at about 8 o’clock .Then ,at about 8:40 ,I have to go to the Children’s Palace to learn physics .The lessons begin at 9’00 .After the class ,it ‘s 10’40 .Then I should go home to do my homework .It used me half past one hours .
In the afternoon ,I have to clean my house and do much housework .That always makes me feel so tired .And I can watch TV for one hour .At 4:00p.m.,I always go to my neighbour’s house to look after their child ,Liu Yulin .The child is only 3 years old .He is so naughty ,so it’s vvery hard to look after him.
At night ,I can play computer and watch TV ,but it’s only for 2 hours .And I have also to go to bed early ,at about 10:30.
My vacation is too busy ,so I don’t have any time,to come to your birthday party ,sorry .But I also brought a gift for you .What’s that?OK ,I will let your friend Xue Ting to take it to you.
At last ,I also say “ Happy birthday to you!”.
Yours ,
Wendy