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1. She was busy 2. I was not busy 3. You were busy? 4. They were home? 5. He was not home 6. I did not know 7. They knew? 8. She did not know 9. Who knew? 10. No one know 11. He read English books? 12. They never read 13. She had an apartment? 14. He did not have anything 15. Who was that?