题目内容：
回答题：此题要求改正所给短文中的错误。对标有题号的每一行做出判断：如无错误，在该行右边横线上画一个勾(！√)；如有错误(每行只有一个错误)，则按下列情况改正：
此行多一个词：把多余的词用斜线(\)划掉，在该行右边横线上写出该词，并也用斜线划掉。
此行缺一个词：在缺词处加一个漏字符号(^)，在该行右边横线上写出该加的词。
此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。
注意：原行没有错的不要改。
Dear Hilda,
I' ve just heard of my mother has suddenly been76.__________
ill, and I'd like to go and see what she is. The 77.__________
trouble is that I can take Tom with me then.78.__________
Do you think if you would possibly able to look79.__________
after him for a week? You have him for a week last 80.__________
year, and you said he had been rio trouble, but had got81.__________
on well with your little sister, Jane.82.__________
If I could have him, 1 would be able to bring83.__________
him along any time that suits for you. But if it is not84.__________
convenient, do hesitate to say so. 85.__________
Yours,
76.__________
参考答案：
答案解析：