Wheres my backpack?This is Tommys house. Do you know what are these? table bed dresser bookcase sofa chair drawer plant Mike can not find his backpack, so he ask his classmate Helen: Where is my pencil? Its under the table.方位介词 1. On 在上面( 指与物体表面接触) eg: on the floor on the tree 2. In 在里面 1. eg : in my backpack in the tree 3. Under 在 下面 eg: under the chair4.Next to 紧接着 在旁边 eg: next to the sofa 5. Between: 在之间 eg: between the sofa and chair 6.Behind 在后面 eg: behind the door 表示方位的词组: on the desk on t