短文改错,共有十处错误.没有单词拼写以及字母大小写错误.

短文改错,共有十处错误.没有单词拼写以及字母大小写错误.
I'm glad to receive your letter.I'd like to discussing the problem with you.It is true that some video games good for your thinking ability and they sometimes makes you feel relaxed.Therefore,you are spending too much time on them .you are not a little boy any more .you should learn to control you .why not to try to finish your homework first every day and then spend a little time play some video games I think ,as a student,the most important thing is to study hardly .you should try your best to get good grade in your exams and try to become an useful person in the future.