Complete the sentences with the right forms of the verbs in bracket. i heard a knock at the door when i ) at the table and ) tv. i wondered if it was my brother tom? who often visited me in the evenings. i opened the door? and there was tom up) in his best clothes. ) happily? with a cake and flowers in his hands, he said "happy birthday! " ) and ), i realised i had forgotten about my own birthday!