Final Answer:
I really get up at 5:00 a.m. My mother wakes me yesterday; she came to my room. So I went to school late. When I entered the classroom, the teacher was talking the lesson. I was sad because I missed the first part of the lesson.
Option A is the answer.
Step-by-step explanation:
In the given sentences:
"I really get up at 5:00 a.m." - The verb "get" is correct as it indicates a habitual action.
"My mother wakes me yesterday" - The correct form is "came" as it is in the past.
"So I went to school late." - The past tense "went" is appropriate.
"When I entered the classroom, the teacher was talking the lesson." - "Entered" and "was talking" are the correct past forms.
Option A is the answer.