Complete these sentences use the right forms of the verbs 1)Our friends were sitting on the bench in the garden when their father came. 2)I was sending a postcard to my granny when I saw her in the street. 3)I was hugging my grandfather when the door opened. 4) Mrs Orrison was walking in the street when she met Sue. 5)We were watching television when charles left. 6)They were leaving for St. Petersburg when they saw their friends. 7) The musician was playing for the audience when the acrodats came into the circus ring. 8)The tourists were doing the city when it began raining.