Your incorrect answers were 3 and 4.
For number 3, the correct answer is b. This is because not language is not necessarily oral (i.e. there are written languages).
For number 4, the correct answer is b. Although comparative linguistics is a branch of historical linguistics, comparative linguistics is specifically concerned with comparing the linguistics of one person/place from the next.
Answer:
Relative clause
Explanation:
It's a Relative Clause because of the relative pronoun 'whose'
I think it might be the word " soul mate " ?
If you could insert a picture that has the full question, you could get a more reliable answer.