How can I make my parents proud of me?

You don’t need to make you parents proud and be yourself if you think that your parents are dissatisfied with you work harder on school help out with chores around the house and spend family time together, but you are perfect the way you are and you don’t have to please anyone as long as your happy.

Explanation:

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."