Question : Choose the sentence that has a punctuation error:
Option 1: After the movie, we went to a restaurant.
Option 2: My brother, who is a doctor, lives in New York.
Option 3: The car broke down; we had to call a tow truck.
Option 4: She wrote a letter to John, Mary and Anne.
Correct Answer: She wrote a letter to John, Mary and Anne.
Solution : The correct answer is option 4;She wrote a letter to John, Mary and Anne.
Explanaton :
The correct way to punctuate this sentence is: She wrote a letter to John, Mary, and Anne.