Read the sentences.
A person who lives close to school should walk. They can help the environment by not taking a car.
How could you revise these sentences for pronoun-antecedent agreement?
a A person who lives close to school should walk. You can help the environment by not taking a car.
b A person who lives close to school should walk. We can help the environment by not taking a car.
c A person who lives close to school should walk. He or she can help the environment by not taking a car.
d A person who lives close to school should walk. It can help the environment by not taking a car.
