The sentence that contains correct parallel structure is At the pre-school, they teach children to speak politely, walk slowly, and act fairly.
This is because the words used are all of the same degrees of an adverb as they are not mixed which would have created faulty parallelism or parallel structure.
This refers to the type of writing where the words are of the same or similar degrees.
Hence, we can see that The sentence that contains correct parallel structure is At the pre-school, they teach children to speak politely, walk slowly, and act fairly.
This is because the words used are all of the same degrees of an adverb as they are not mixed which would have created faulty parallelism or parallel structure.
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