Click on ,begin emphasis, all, end emphasis, the underlined words or phrases that show the passage uses a comparison and contrast structure. choosing a pet can be difficult. first, you must decide if you want big or small pet. some people might say you can't go wrong with a large dog. yet, others might say small pets such as rabbits or hamsters are the best. unlike a large dog, a rabbit can be easily taken to the vet or a friend's house. it is important that you listen other's opinion. but you should decide which is vest for you. the underlined words are first, can't, unlike, and important.