3. Complete the sentences with the correct tenses.

1. She cooked yesterday. 2. She was cooking at three o'clock yesterday. 3. When mother entered his room, he was drawing a picture. 4. I was hurrying to the library when I met him. 5. My brother was washing the dishes while I was sweeping the floor. 6. She slipped, fell over, and broke her leg. 7. Where were you last night? — We were at the theatre. 8. What was he doing when I came? 9. She didn't see a doctor yesterday. 10. While Jack was translating the text, we were working on the project.