Answer:
1. la tienda de acampar
2.el repelente de insectos
The correct answer is: "Es preciso que uses sombrero"
In english (if needed): Pamela: "How can I protect my face from sunburn?" Roberto: "It's necessary to wear a hat."
Hoped I helped ^.^
It would be la mejor. Hope this helps!
C the answer is temporary. Because she is using it when the new office is being built which means it is not permanent.