Comparing--(3)

  Shelly and Cherry, my two younger sisters, are one year old apart.  However, their appearances, characters and habits are similar.  First of all, they both have big eyes, long black hair, and slim figure.  Many people usually take them as twins.  Second, Cherry has the same interests as Shelly in reading, especially comic books and novels.  Shelly likes to play online games or watch cartoons on the website, and so does Cherry.  Besides, Shelly as well as Cherry loves chatting with people they can talk to.  They often get together and keep talking anytime and anywhere even when I am studying.  What is more, both of them are addicted to playing a trick on their youngest sister.  They regard that as a pastime.  Their characteristics are almost the same that I usually mix up and even scarcely recognize who is Shelly and who is Cherry.