Amazon Go is the best idea for improving the brick and mortar grocery shopping experience in quite _______.
b. a while
Which is correct?
The correct answer is choice b.
REASON: “A while” is an article-noun phrase. “Awhile” is an adverb.
Not sure which to use? Try plugging the words “some time” (two words) in the sentence. If the sentence makes sense, choose “a while” (also two words.) If the sentence no longer makes sense, choose “awhile” (one word.)