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Help the food critic judge the cooking competition! Select ALL the grammatically correct sentences for their review.
The correct answers are Of all the chefs, Marco cooks the best. and Gordon chops onions faster than Jamie.
"Well" is an irregular adverb. Its comparative form is "better" (not "more good") and its superlative form is "best" (not "most well").
"Fast" is a short adverb that takes "-er" in its comparative form ("faster").