Which is a complete sentence? a. whales migrate south in the winter. b. provided that we pay in advance. c. when the weather gets cold. d. whether you choose to go or not.

I'm pretty sure that the answer is A. Whales migrate south in the winter.

postive, comparative, superlative - good, better, best

recall how we defined nouns as words capable of having plurals and possessive endings. adjectives (and their first cousin, the adverb) also have a feature that distinguishes them. they come in three states. first, the raw adjective—in its positive state—merely describes the noun modified; it doesn’t care about how this particular person or thing stacks up against other members of the same noun class