Ответ:

1. I love my mum.

2. His dad bought them flowers.

3. They like their children.

4. Ann gives me her book.

5. His poems are very interesting.

6. He loves her.

7. My task is easier than yours.

8. Show him the book.

9. I sent a letter to them.

10. She looked at us.

(вроде правильно)