Question : Identify the sentence which has correct punctuation.
Option 1: My favorite colors are blue, green, and purple.
Option 2: My favorite colors are blue green, and purple.
Option 3: My favorite colors are blue, green and purple.
Option 4: My favorite colors are blue, green and, purple.
Correct Answer: My favorite colors are blue, green and purple.
Solution : The correct answer id option 3
My favorite colors are blue, green and purple.
Explanation:
This sentence is a list of three items. In British English, a comma is not used before the coordinating conjunction that precedes the last item in a list of three or more items.
However, in American English, a comma is used before the coordinating conjunction. Option 3 is the correct way to punctuate the sentence in American English.