Question

Which words in the sentence make up the adverb phrase?

Melissa and Chris watered the plants frequently after a dry spell.

A.
frequently after

B.
Melissa and Chris

C.
watered the plants

D.
after a dry spell

Answer 1

@Blank 

Answer 2

after a dry spell

Answer 3

C?

Answer 4

NVM

Answer 5

I would say: D. after a dry spell

You could read the sentence without them. They just fill in more information like most adverb phrases do.