To encalhado ai, Me ajudem porfavor.
Soluções para a tarefa
1. They weren't learning while their mum cooked
2. While his tooth ached, John wasn't eating anything
3. I wasn't asking too much while the policeman questioned me
4. The children weren't playing football while they stayed on the playground
5. I put the books on the shelf while you weren't doing anything
6. Dad wasn't taking the medicine while mom had a shower
7. The cat wasn't drinking any milk while they looked at it.
8. While you drove home it wasn't raining
9. Ms Johson wasn't checking her e-mails while she baby-sitted little George
10. You weren't writing anything while the teacher explained the grammar.
Questão 2:
D) He was working when the phone rang.
Obs: Caso voce se perguntar porque está diferente do exemplo que você deu, ele está errado então eu fiz do jeito certo