短文改错(共10小题，每小题0.5分，满分5分)
此题要求改正所给短文中的错误, 对标有题号的每行作出判断：
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：
该行多一个词；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。
该行缺一个词：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。
该行错一个词：在错的词下画一横线，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。
Thank you very much for invite me to go and stay with   1. __________
you in Mianyang. It’s the most beautiful city, and I have been 2. __________
eager to see you again. So I’m very sorry to tell you that I can’t3. __________
go this summer vacation, since I’ve already been promised  4. __________
to stay with my grandmother in the countryside. She has 5. __________
already 80 years old and miss me so much that I have no choice6. __________
but to do it. I’m busy preparing for my mid-term exams 7. __________
all these days, and I feel quite surely of myself. I hope I can go8. __________
and see you and Tom at the end this year. 9. __________
Best wish to both you and Tom!10. __________