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.
bad-tempered and negative/grumpy type
Synonyms:
ill-humored, crusty, encrusted, crustlike, husky, hoarse, ill-humoured, crusted, curmudgeonly, gruff
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Answer:
What is the theme of “games at twilight” using textual evidence?
The most appropriate answer is D. The fans with their fingers crossed builds tension. We as the readers are curious to know what the outcome will be.
The rest of the answer choices doesn't build tension.