What were you doing at ten o'clock yesterday?
I was having my breakfast. What were you doing at eleven o'clock yesterday.
I was watching TV .
What were you doing at twelve o'clock yesterday?
I was preparing to go to school.
What were you doing at one o'clock yesterday?
I was sitting at the lesson.
What were you doing at two o'clock yesterday?
I was having my lunch.
What were you doing at four o'clock yesterday?
I was answering my homework to the teacher.