One of the options is the nearest in meaning to the capitalized word: TRANQUIL in sentence 6.

a.
Ancient

b.
Beautiful

c.
Restive

d.
Serene

d. Serene

One of the options below is the opposite of the capitalised word: PESTER

a.
Annoy

b.
Delight

c.
Accommodate

d.
Educate

c. Accommodate

To determine the nearest meaning of the word "tranquil" in sentence 6, you can start by understanding the definition of "tranquil."

"Tranquil" refers to a state of peace, calmness, or serenity.

Next, you can look at the options provided:

a. Ancient: This word refers to something old or from the past and does not convey the same sense of peace or calmness as "tranquil."

b. Beautiful: While beauty can be serene and calming, it does not necessarily imply a state of tranquility. So, this option is not the nearest in meaning to "tranquil."

c. Restive: This word means restless or agitated, which is the opposite of tranquil. Therefore, it is not the nearest in meaning.

d. Serene: This option is the closest in meaning to "tranquil" as both words convey a sense of peace, calmness, and tranquility.

Based on this analysis, the nearest meaning to the capitalized word "TRANQUIL" in sentence 6 is "d. Serene."