Answer: trust
Explanation:
Abstract nouns refer to intangible things, like actions,feelings, ideals, concepts and qualities. Here, trust is used as a noun but is not a literal thing. It is abstract.
The arrival of an unwanted thing or person
Something good happened. The best thing to happen to that individual all day
To try and solve a problem or assist in some way
These are idioms
12kilometers=6hours
32kilometer=x
12/6=2
32/2=16
It will take him 16 more hours to cover the rest of the distance
