Question

Which sentence contains correct parallel structure?

At the pre-school, they teach children to speak polite, walk slow, and act fairly.


At the pre-school, they teach children to speak with politeness, walk slowly, and act fair.


At the pre-school, they teach children to speak politely, walk slowly, and act fairly.


At the pre-school, they teach children to speak polite, walk slowly, and act fair.

Answer 1

At the pre-school, they teach children to speak politely, walk slowly, and act fairly.

Step-by-step explanation:

Three verbs speak, walk, and act are respectively modified by the adverbs politely, slowly, and fairly.

This is correct parallel structure.