What are you up to? а I am very hungry? б I've so busy with my school project lately. в I was at home yesterday?

What are you up to?
ответ: б

ответ:so...

Объяснение:1)Mercury

2)Mars

3)In ancient times, Venus was often thought to be two different stars, the evening star and the morning star — that is, the ones that first appeared at sunset and sunrise. In Latin, they were respectively known as Vesper and Lucifer. In Christian times, Lucifer, or "light-bringer," became known as the name of Satan before his fall. However, further observations of Venus in the space age show a very hellish environment. This makes Venus a very difficult planet to observe from up close, because spacecraft do not survive long on its surface.

4)Earth

5)It’s not certain, I’m sure that life can also be on other planets

The employees of this factory are fighting for higher wages. Hurry up. It`ll take us ages to get there if you hang about/around. Since Father has taken up photography, the walls of our flat are hung with the fruit of this hobby. Frankly speaking, we`ve been wondering how to get rid of some of them without hurting his feelings. The boy is eager for the progress in his studies and is always one of the first to answer a question or to hand in a paper. Before coming to a decision, I`d like you to clear the matter with the head manager. If we set out/off at once, we`ll arrive at their place just in time for the party. Not every old tradition should be kept up.