Identify which sentence does not properly use commas to join complete sentences. Question 10 options:

I enjoy playing basketball and volleyball but, today has been too beautiful to playing in the gym.


Dad likes to ride motorcycles, so he always gets a Harley souvenir shirt when he travels.


My friends walk to McDonalds to get milkshakes, but I get a hot fudge sundae instead.


I like to run for exercise, but I have never entered a 5K race.