改错：帮忙下面这个英文阅读片段的改错 下文中每一行都有一个错误（我也不敢肯定）高手帮忙做一下,

My aunt Aggie was used to think that she was able to 1.去掉 was
sing ; I'm sorry to say her singing was horrible.Well,one 2.I'm 改为I was________
day she asked for a piano-tuner to come and tune 3._去掉FOR_______
her piano.As he tried to tune the piano,it seemed to 4.___as 改为 When_____
be right.Aggie said."Let me play it.",so he heard her 5.____be all right____
playing it.It was prefectly in tune but she had him tuned it 6.____tuned 改为tune____
again.The man did the job again.The next day she rang 7._____rang 改为sang?___
作业发到网上让别人做?这篇文章是哪个老师出的,读着怪别扭

怪文章，读着太别扭，做不下去了