1. Why didn't you come earlier? Because I was working.
2. Why didn't he laugh? Because he was not listening.
3. Why didn't she take an umbrella? Because it was not raining.
4. Why didn't they dance? Because they were not enjoying themselves.
5. Why didn't she answer my letter? Because she was getting ready for her exam.
6. Why didn't he arrive on time? Because he was sleeping.
7. Why didn't he go out? Because it was snowing.
8. Why didn't they ring us? Because they were gardening.
