His ruler is on the desk.His schoolbag is under the chair.合成

His ruler is on the desk.His schoolbag is under the chair.合成 his baseball is on the f under his chair His schoolbag is on the desk on the desk 是划线的部分 对划线部分提问 is t Under the chair is a schoolbag改为同义句 His eraser is under the desk 对划线部分提问 his book is under the desk（对 under the desk提问） His backpack is （under the desk）对括号进行提问 Are your watches on Is your schoolbag on the desk or in the desk? His book is on the desk.(划线提问His book —Is your ruler on the desk? i t____ your ruler is under the chair.填什么 my ruler is in the pencil-box.___[his/her]is in the desk.