This will be a very common interview question for internships and entry-level civil engineering positions. At this early stage of your career, companies aren't necessarily as interested in your technical engineering knowledge as they are about your willingness to learn and fit in the company culture. They'll be able to bring you up to speed on the ins and outs of actually working in the field after college, but they want to make sure you're enthusiastic and eager to learn as a young engineer. Companies are looking for people who are truly passionate about their work as engineers and are in it for more than a paycheck.