Correct the four pronoun-related errors in this paragraph. Fast-forwarding to modern times, the heyday of the human-powered flight is far from over. Lucrative prizes still abound for rotor-driven craft, whilst experimental versions of helicopters and ornithopters (flying machines with flapping, bird-like wings) are both on the drawing board and leaping off it with great abandon. The dream of human-powered flight has been an official reality now for more than 50 years, but the limits of their ingenuity are boundless– especially when inventors and engineers are spurred on by prizes as large as the $250,000 on offer from the American Helicopter Society’s Igor Sikorsky Prize Fund. And who knows, perhaps one day his commute to work will take place not on a bicycle but on a bicycle-powered craft. Does your office have a landing pad on the roof or a runway nearby? The day when she does might just be closer than they think!

Read this student's rough draft. i know it doesn't sound like much, but am psyched about the school fundraiser this spring. we are sponsoring a slam-dunk contest (on an eight-foot rim) for local middle schoolers. we're charging an entry fee for participants that will cover our costs, and we’ll charge admission at the door! three dollars per person—ka-ching! six of my neighbors have already said they are coming. i mean, who wouldn't come? participants will wear their school jerseys, and all their friends will come to cheer! which concluding sentence best reflects the writer's voice? the contest will take place in the liberty middle school gym, and the maximum capacity is 250 spectators. the contest promises to enrich our community as a variety of schools unite to support our fundraising effort. it will be sweet, because the band is providing music in the stands, and the dance squad is performing. students’ enthusiasm for this endeavor has blossomed, and it will reach full flower as the contest approaches