Revise the following sentences as needed to create pronoun-
While shopping for a new computer for school, I noticed that a laptop costs much less than they used to.
Congress usually resists a president’s attempt to encroach on what they consider their authority.
Marco and Ellen were each given a chance to voice their opinion.
An ER doctor needs to be swift; he also needs to be calm and careful.
Every dog and cat has their own personality.