求英语高手,帮我改下考研英语小作文,受累!
如果有语法错误,麻烦您帮我指出来,（这是12年英语2的小作文）
Directions:
Suppose you have found something wrong with the electronic dictionary that you brought from an online store the other day.Write an email to the customer service center to
1.make a complaint ,and
2.demand a prompt solution
Dear sir or madam,
I am a customer who regularly buy something from your online store,I am completely disappointed to find that the service you provide is far from satisfactory.
I am referring to this thing that I just buy an electronic dictionary from your online store in last week,but there are some problems with it.Firstly,the dictionary is broken when I receive it .Secondly ,the battery needs charging after only two hours of use.
Therefore,something must be done to solve the problems,because it bring me much trouble in my study.You can either compensate me at a reasonable price or alternatively send me a new machine by express mail.Lastly,please tell me which solution you prefer at you earliest convenience.
Yours sincerely,
Li Ming