Which of the following sentences uses words and apostrophes correctly?

In our fifth period class, we learned about using immutables and variables for real-life purposes'.

The alternate route, which was less busy, was the delivery person's best option for being on time.

Much to the family's relief, the surgeon said that the alteration was completely anthropomorphic.

Gerard insists on varying his looks' by altering his hair do and fashion decisions every other week.

Question

Which of the following sentences uses words and apostrophes correctly?

 In our fifth period class, we learned about using immutables and variables for real-life purposes'.

 The alternate route, which was less busy, was the delivery person's best option for being on time.

 Much to the family's relief, the surgeon said that the alteration was completely anthropomorphic.

 Gerard insists on varying his looks' by altering his hair do and fashion decisions every other week.

goformit100 · Answer

Much to the family's relief, the surgeon said that the alteration was completely anthropomorphic.