完形填空once in england,an old lady lived

Once in England,an old lady lived on with his dog named lucky.One day ,she called her grandson,Peter,a boy of only twelve,and asked whether he could paint the wall for her.Peter was glad to do so.The next day ,his father drove him to his grandmother's and left him there with a can of yellow paint and a paint brush,peter finished the work quickly.he was pleased with his work.and his grandmother was happy too.