Answer:
(A) During a fire drill, we evacuate the building
Evacuate means to leave or to head out
He couldn’t see through the milky ways gas and dust particles
The main purpose of the following....
the only answer that would make sense is TO DIRECT the other choices don't make sense. because it;s telling the reader how to put the swing set together that's the same thing as directing them.
hope this helps and hope i'm right:)