Colegio, not sure what options there are but school seems it would fit best.
Answer is B because it blocks the flow of
Electrical or thermal currents
Actually the correct answer is D. tendrá. Because A would be if you were talking about yourself. B would be if you were taking about a group including yourself, and C would be right if you were talking about a group not including yourself.
It’s definitely es dudoso que vengan en tren, trust me I’m a native speaker
Answer:
Raphael in the morning. Every Sunday my father the car. My sister has to dishes. I go to an elegant dress.