Fill in the blanks with so, and, but, or 1. Simon was busy .... he couldn't come to the party. 2. After coming home, she cleaned the floor .... cooked dinner. 3. Jack enjoys learning English .... he finds it very difficult. 4. She went to the theatre last night .... had a good time. 5. His life was hard .... he studied very well. 6. They didn't understand the matter .... they didn't ask for help. 7. They hadn't trained hard ... they won. 8. We invited Tuan to the meeting .... he didn't come. 9. She was feeling unhappy .... she went to the birthday party. 10. You are only 15 .... you are no able to take the driving test.