Question

Which sentence is punctuated correctly? On Monday August 31, Harriet will turn 16, and get her driver’s license. On Monday August 31, Harriet will turn 16 and get her driver’s license. On Monday, August 31 Harriet will turn 16 and get her driver’s license. On Monday, August 31, Harriet will turn 16 and get her driver’s license.

Answer 1

On Monday, August 31, Harriet will turn six-teen and will receive her driver's license.  

Answer 2

On Monday, August 31, Harriet will turn 16 and get her driver’s license.

Step-by-step explanation:

A comma is needed to separate the day of the week from the month. This is why a comma is needed between Monday and August. The introductory phrase in this sentence is "On Monday, August 31." All introductory phrases should be followed with a comma, which explains why a comma is used after 31.