2.
I felt more relaxed when I'd had a hot shower.
3. Zoe was fed up because she had lost her camera.
4. The house was quiet because everyone had gone to bed.
5. Joe was upset because someone had stolen his wallet.
6. I bought a new tennis racket when I'd saved enough money.
7. Anne was annoyed because no one had done washing up.
8. She showed me the letter when she'd read it.