Do you agree?

[محسن لبيب حنين]

Do you agree with me that "historic" is also right here in the following sentence:

16 - Folk songs were made up to describe important ………… events
a) historian b) historic c) history d) historical

The Model answers paper says "historical" is the correct answerAnd look at that one in "Find the mistake
1- Most girls I know like music

The Model answer says: Most of the girls I know like music or Most girls like music

Isn't it right to say this sentence as it is : Most girls I know like music
which means: Most girls whom / who / that I know like music
We often hear and say: Most people living here are Chinese
Most students I teach got the full marks
What do you think, my colleagues?