Put "Was“ or "Were” in the gap

Exercise 1: Put "Was“ or "Were” in the gap.
1. The teacher …………………… nice.
2.The students ……………………. very clever.
3. But one student ……………….. in trouble.
4. We __________sorry for him.
5. He __________ nice though.
6. I ……………….. happy.
7. You ……………….. angry.
8. She ………………… in London last week
9. He ………………… on holiday.
10. It …………………. cold. 11. We …………………. at school.
12. You …………………… at the cinema.
13. They ………………… at home.
14. The cat ………….. on the roof.
15. The children ……………….. in the garden