Fill in both (of), all(of).
1. there were over ten boys, and them were eating sunflower seeds. they loved them.
2. they showed me two strings of pearls, but i didn`t .
3. the students left the classroom. tim and jill them had some questions to ask the teacher.
my daughters are very clever. they always get top marks in everything.
5. there were two girls playing in the school them were in high spirits.
women like perfumes.
7. - `how many children have you got? ` -three boys. them are very handsome.”
look shabby.``well, i don`t think them look shabby.`

the unsaturated fatty acid is a fat consist of one or more double bond in the fatty acid chain. if it contains one double bond then called as monounsaturated fatty acid however if, it contains more than one bonds called as a polyunsaturated fatty acid. true fatty acids are called unsaturated fatty acids as it reduces the risk of high blood cholesterol and good for health.

i believe it is the first choice (1.)

because the major theme is(“both the wild and civilization have rules.”)

and also as u said,( based on what buck learns within the call of the wild, "both the wild and civilization have rules".this is true of humans within society as well.