missing

I am sorry,I missed the class. I changed my cell phone that was silent position when I attended Mass that named The Last Supper in this evening.So I could not hear the bell.I should have put back , I forgot reversing it.

Hello Ma\'am [이름]! It is okay, I understand. It was no big deal. I just hope that you enjoyed your time at the church. Anyway, I will talk with you again later. Enjoy the rest of your afternoon. -Teacher Chloe I am sorry,I missed the class. >>I am sorry that I missed the class. I changed my cell phone that was silent position when I attended Mass that named The Last Supper in this evening. >>I put my cellphone to silent mode when I attended a church mass this evening. So I could not hear the bell. >>So, I could not hear my phone from ringing. I should have put back , I forgot reversing it. >>I should have put to normal mode but I forgot.