1. "...Did you go... to school yesterday?" "No, it was Sunday." (you/go)
2. He read an interesting book last month. (read)
3. I looked for my keys but I didn't find them. (not/find)
4. I wasn't hungry so I didn't eat anything. (not/eat)
5. "Did you speak to Fred yesterday?" "Yes, I phoned him." (you/speak)
6. "Did the bell ring?" "Yes, but nobody answered." (you/ring)
7. "What was that noise?" "I didn't hear anything." (not/hear)
8. "What did they have for breakfast?" "Bacon and eggs." (they/have)
9. "How many books did you buy?" "Only one." (you/buy)
10. He opened his presents on Christmas morning. (open)
11. I washed my clothes on Sunday afternoon. (wash)