Usually, I have a Chinese class for a with a woman|girl at 10 am on Sunday morning. Usually, I have a Chinese class with a woman|girl at 10 am on Sunday morning.

Unless she's younger than 18, using "girl" instead of "woman" might annoy some people. If you're teaching the class (which I think is the case here), you could say "I hold a Chinese class for a woman..."

Usually, I haveteach a Chinese class for a girl at 10 am on Sunday mornings. Usually, I teach a Chinese class for a girl at 10 am on Sunday mornings.

It’s an online class. It’s an online class.

It’s an online class. It’s an online class.

But today the woman|girl called me at 10:05 when I was waiting for her on Zoom. But today the woman|girl called me at 10:05 when I was waiting for her on Zoom.

But today the girl called me at 10:05 whilen I was waiting for her on Zoom. But today the girl called me at 10:05 while I was waiting for her on Zoom.

She told me that she had just woken up because she had had a party last night and she slept very very late. She told me that she had just woken up because she had had a party last night and she slept very very late.

She told me that she had just woken up because she had a party last night and shewent to sleept very very late. She told me that she had just woken up because she had a party last night and went to sleep very very late.

She told me that she had just woken up because she had a party lastthe night before and she sleptwent to bed very very late. She told me that she had just woken up because she had a party the night before and she went to bed very very late.

She asked me if the class canould start later, or if we could cancel. She asked me if the class could start later, or if we could cancel.

She asked me if the class canould start later or be cancelled. She asked me if the class could start later or be cancelled.

She asked me if the classwe can start the class later or just cancel it. She asked me if we can start the class later or just cancel it.

I could heard that her voice was unclear. I could hear that her voice was unclear.

Here, "I heard" suggests a momentary event. But this was something you could hear over time. (This is a subtle point, so you don't need to worry about it too much.)

I heardcan tell that her voice was unclearstill groggy. I can tell that her voice was still groggy.

She absolutereally dihadn’'t really wawoken up yet. She really hadn't woken up.

She absolutely dihadn’t really waoken up yet. She absolutely hadn’t really woken up yet.

She absolutely didn’t reawas not fully awake up yet. She absolutely was not fully awake yet.

I don’'t think it’ll be's a good idea to wait her forfor her, because I don’'t know how much time and probablylong I'll be waiting, and she will probably still be sleepy in the classlesson. I don't think it's a good idea to wait for her, because I don't know how long I'll be waiting, and she will probably still be sleepy in the lesson.

I doidn’t think it’ll would be a good idea to wait her forfor her, since I doidn’t know how much time and probably she willit would take her, and she would probably still be sleepy during the class. I didn’t think it would be a good idea to wait for her, since I didn’t know how much time it would take her, and she would probably still be sleepy during the class.

I doidn’t think it’ll would be a good idea to wait her for I don’t know how much time and probablypostpone the class as I didn't know how much time she will need and whether she willould still be sleepy in the class or not. I didn’t think it would be a good idea to postpone the class as I didn't know how much time she will need and whether she would still be sleepy in class or not.

I thought thit would be best is to cancel the class. I thought it would be best to cancel the class.

I thought thit would be best is to cancel the class. I thought it would be best to cancel the class.

I thought the best solution is to cancel the class. I thought the best solution is to cancel the class.