Ответ:
Number 5:
2. I was; Was I...
3. You were; Were you...
4. Tanya was; Was Tanya...
5. The second lesson was; Was the second lesson...
6. His parents were; Were his parents...
7. It was; Was it hot...
8. He was; Was he ill...
9. We were; Were we younger...
Number 6:
2. Were; Weren't.
3. Was; Wasn't.
4. Were; Weren't.
5. Was; Wasn't.