"my bed is on the floor "为什么要用“is”啊?

My bed is on the floor 对My提问 My ball is _____ the bed,on the floor. My mother `s dress is on the bed.(对on the bed提问）理由 My key is on the bed?改为一般疑问句 my new sweater is on the bed? 哪里错了 My black hat is on the bed 化为汉语 My sister's dress is on the bed.____is on the floorA.MineB.IC.My My baseball is on the floor under the bed.对 on the floor under the bed 提问 sarah's skirt is on the bed --------is on the sofeA my B I C mine My jacket is on the bed（改为否定句) My jacket ( )( )on the bed.The keys are on the tabie.(改为一 My hat is on the bed.（对My hat提问）要快啊 英语翻译also have a good picture.It is on the wall near the bed.my doll is on the bed ang my boll is on the floor near the bookshelf my room is small This is my schoolbag.____(she)is on the bed.用适当的形式填空啊! this is Jane's cap.my cap is on the bed改为同一句同义句 my bed is on the floor 为什么要用“is”啊? 1.( )is my hat?It is on the bed.2.( It is purpie.3.Mom,this is my friend,David.( ) The sweater is ( ).( )is on the bed.A.my,Her B.mine,HisC.your,Hers D.yours,My my baseball is on the floor,under the bed这句话中on the floor和under the bed可以倒过来吗?应该没有什么语序吧?