Hi sheena~

=>Hi Sheena~

I always appreciate your help me to improve English skills.
=>I always appreciate your help to improve my English skills.
I can't attend this class today. I have to pull my wisdom tooth.
=>I can't attend this class today. I have to extract my wisdom tooth.
I made an appoinment with a dentist a few days ago.
=>I made an appointment with the dentist few days ago.
Right after my work time will be finished, i will go dentist to eliminate toothache.
=>After my work I will go to the dentist to eliminate the pain.
So it's impossible to speak today.
=>So, it's impossible to talk to you today.
See you later.! bye

=> See you later! Bye