Which word in an adverb?

Which sentence uses an adverb correctly?

Which word is an adverb of time?

Which sentence contains an adverb of manner?

Which word is the adverb in the sentence: He arrived early.

Which is an adverb of place?

Which adverb describe frequency 

Choose the adverb that completes the sentence: She smiled _____.

Which sentence has an adverb of degree?

Which word is an adverb