Отметьте все грамматически верные предложения. Dima is telling a friend about his first day at a new school.
- АI was needing a pen, but I didn't have one.
- БAt lunchtime I was sitting alone when a boy came over and talked to me.
- ВI understood almost everything the teachers said.
- ГI didn't know anybody in my class.
- ДThe school building was belonging to a factory many years ago.