1) She did it out of kindness.
c) goodness
здесь неуверена:-((
2) I can’t stand selfish people.
d) egoistical
3) Children are not permitted in without their parents.
b) allowed
4) She is from a very rich family.
a) wealthy
5) I make my excuses.
d) apologize
6) Evidence cannot be hidden.
a) clearness
наиболее вероятный ответ, но на 100% неуверена, другие подходят меньше, по моему мнению
7) My sister is very sly.
c) insidious
8) Time forbids to do it.
d) prohibits