classroom : 教室,Unit5 Classroom,Its a book. Its a pen. Its a school bag. Its a ruler. Its a pencil-sharpner. Its a pencil-case Its an eraser,our school,This is,我们的,our classroom,This is,我们的,This is our classroom,This is our classroom,Our new classroom,新的,desk,chair,This is my desk,This is my chair,this:这个,that:那个,This is my That is your,Thats your,Thats your . (那是你的 ) Thats my (那是我的,our: 我们的 classroom : 教室 new: 新的 desk :书桌 chair :椅子 that :那个 that is 那是 thats 那是,schoolbag,I have a,pen,I have a,pen