Раскройте скобки,употребляя глаголы в Past Indefinite и Past Continuous1.While she(to play)the piano,I(to write)a letter.2.He(to

1. While she was playing the piano, I was writing a letter. 2. He was going to the University, when I met him. 3. Our friends were discussing something when we interrupted them. 4. My mother was watching TV, when I came into the room. 5. I haven\'t see him since he moved to his new flat. 6. When I was looking out of the window, I saw that it was raining hard and people were hurrying along the street. 7. We were leaving the house, when the telephone rang. 8. I was sitting on the river bank, when my friends joined me. 9. When I came up to him, he was speaking to his friends. 10. We met her when she was walking home. 11. When she entered the room, I was standing at the window. 12. When we entered the room he was smoking and speaking to his friends. 13. I was watching TV, when somebody knocked at the door. 14. What were you doing when I rang you up yesterday? 15. Her son was cooking dinner, when she came home. 16. She was watering the flowers, while her husbands was watching TV.