Придумать всевозможные виды вопросов))

10 и больше))

They were very happy to read this interesting book

They were very happy to read this interesting book, weren't they?

это ещё один вопрос. добавь к другому ответу

1. Who were very happy to read this interesting book?

2. How did they feel when they read this interesting book?

3. What did they do?

4. What was the book?

5. What did they read?

6. Were they happy to read this interesting book?

7. Why were they happy to read a book?

8. Was the book interesting?

9. Were they read an interesting book?

10. не могу придумать)))