短文改错

     Helen is one of my best friend. She taught us              1. __________

English when I attended training class two                       2. __________

years ago. Helen always make good preparation             3. __________

for the lessons, and she tried his best to make                  4. __________

her class lively. I was used to be poor in English              5. __________

especially on written English. Now I am                          6. __________

able write English letters or reports correctly.                  7. __________

I still remember how she helped me my                           8. __________

English patient. Teachers' Day is coming. I am                 9. __________

going to send her a card and give his best wishes.          10. __________