No, doing homework is your future and you shouldn't be rewarded on doing your job.... Yes your job then after school your gonna do your 9-5 so don't think in life your gonna get a bonus just cause you mopped the floor at mcdonalds really good..!!!
Just like word choice, writers should strive to vary their sentence structure to create rhythmic prose and keep their reader interested. Sentences that require a variation often repeat subjects, lengths, or types.