Образовать вопросительные предложения.
1. I was watching TV when she came.
2. My friends were talking when I opened the door.
3. Granny was making a cake at ten this morning.
4. It was raining when we went out.
5. The boys broke the window when they were playing football.
6. He was playing tennis at six o'clock yesterday.
7. She was taking pictures when we saw her. 8. Ann was singing a song when John heard some noise.