1. My brother and sister _____ playing tennis at 11am yesterday.

2. _____ you still working at 7pm last night?

3. At 8.30am today I _____ driving to work.

4. We _____ sleeping when the police came.

5. Why _____ he having lunch at 4pm?

6. Was he not _____ his homework?

7. Snow _____ lightly. Suddenly a reindeer appeared.

8. Somebody threw a shoe at him _____ he was speaking.

9. They ________ TV when I arrived.

10. I was reading a detective story _____ I heard a noise.