Chuyển đoạn văn sau đây thành ngôi tôi( I ) :
One day,Peter was bored . He was in his room and his mother was cooking in the kitchen . She asked loudly ''Where are you , Peter ? '' He answered , '' I'm upsairs , Mum. '' His mother heard him running down and said'' Don't run down the stairs! '' Peter replied '' OK,I won't do it again,Mum.''