阅读理解 I'm John. This is my brother Jack. This is our room. This is my backpack. It's on the bed. That'shis back pack. It's on the chair. His computer gameis on it. Where's my computer game? Is it on the chair, too? No, it isn't. It's under it! Our computer is on thedesk. An alarm clock is next to it. Our booksaren't on the desk. They're in the bookcase. It'snext to the bed. 根据短文内容 ,判断下列句子的正 (T)误 (F) (     )1. This is an alarm clock. It's on the bookcase. (     )2. John's backpack and his computer game are on the chair. (     )3. John's books are next to the computer on the desk. (     )4. The bookcase is under the bed. (     )5. The books are in the bookcase.