Read the sentence. Pet canaries need large cages, wooden perches, some fresh water, and keep out of cold. Which phrase should be revised for a more parallel sentence?

The list should use parallel grammatical forms. “Large cages,” “wooden perches,” and “some fresh water” are noun phrases, but “keep out of cold” is a verb phrase. Revise “keep out of cold” to a noun phrase such as “protection from the cold.”

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