Answer:
Here you go, hope this helps
Explanation:
1. Tus
2. Su
3. Nuestros
If you want to wait for someone else to answer is good. All Spanish talks are different and from my language this is how I would say it.
1; Si, me cepille mis dientes después de comer
3; Si nos duchamos antes de nadar en la piscina
4; Si, los turistas usaron sombreros en la playa
I answered the one's I could these should be right
It would be:
hace frio, llueve, el pais
because "el pais" (or country) doesn't correlate with the two other words concerning weather
Podemos ver todo lo que Podemos comprar y después pagamos por Internet.
Explanation: