此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误，在该行右边的横线上画一个勾(√)；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，并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：在缺词处加一个漏词符号(∧)，并在该行右边横线上写出该加的词。
该行错一个词：在错的词下划一横线，并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。
　Isabella is one of my best friends. She had taught                66.　　　　
us English when I attended training course two                            67.　　　　
years before. Isabella always made good preparations                      68.　　　　
for the lessons, she tried her best to make her                                 69.　　　　
classes lively. I used to being poor in English，                          70.　　　　
especially in written English. But now, I'm able                           71.　　　　
to write English letters and reports correct.                               72.　　　　
I still remember how she helped me for my English                       73.　　　　
patiently. Teachers’ Day is approached. I'm going to                      74.　　　　
send to her a card and give her my best wishes.                           75.