1.дайте краткий ответ на вопрос к подлежащему who was at school? - who took the book? - who can skate well? - who could skate well? - who skates well?

Who was at school? - Ann was.
Who took the book? - Ann did.
Who can skate well? - Ann can.
Who could skate well? - Ann could.
Who skates well? - Ann does.