短文填词（共10小题，每小题1分，满分10分）
阅读下面短文，根据以下提示：1）汉语提示; 2)首字母提示；3）语境提示，在每个空格内填入一个适当的英语单词，并将该词完整地写在右边相对应的横线上。所填单词要求意义准确、拼写正确。
Manager,
I am writing to you to c     __ about the quality of the computer     
that I     __ （买）from your online store on October 5, 2011.          
The computer occasionally switches i     off automatically(自动地).         
ten minutes        it has been powered up. This has already            
happened three        since I got it home. I have taken good             
      of it. I always leave it on my desk and I have never had           
any other problems with it. I am very d_______ by this fault.             
I have       (决定) to return it to you and get my money back.           
I really hope that you will take this matter        (认真).            
I am looking forward to your early r     .                         
Yours sincerely,
Li Ping