Which of the following sentences requires semicolons instead of commas? (1 point) O This summer, we are going on a road trip to the cities of Philadelphia, Baltimore, and Rehoboth Beach. O This summer, we are going on a road trip to Philadelphia, Pennsylvania, Baltimore, Maryland, and Rehoboth Beach, Delaware. O On our summer road trip, we will travel by car, train, and bus to three different states. O On our summer road trip, we will travel to Pennsylvania, Maryland, and Delaware.