The backpack is on the (sofa)对划线部分提问

Is the backpack on the floor No,it is 改错 The backpack is on the (sofa)对划线部分提问 把单词连成句 chair,on,my,is,backpack,the My backpack is (on the chair.)对括号部分提问! his backpack is on the floor.划线提问 His backpack is on the on the desk对on the desk画线提问 Where’s the baseball?Is it in the backpack?No,it isn't .it's （） the floor.A.Under B.isC.on Mary's backpack is on the sofa.(就on the sofa 提问) Your backpack is on the chair.对on the chair 部分提问 望马上解答.A:Mum,()ismy() .B:Your backpack?Is ()under the chair?A:No,it isn't.B:Is it on the sofa?A:Yes,it is.How ()()notebooks?B:Are ()in your backpack?A:No,they aren't.B:Yes.I remember.Ther are ()the ().A:On the table?On,yes,they're here.()you It is in the backpack? It is in the backpack? on,Tv,my,is,and,under,table,the,backpack,is,it,the 怎么连成一句话 选择以下的句子补全对话A.Thank you very much.B.No,it isn't.C.Where is it?D.Is it under the table?E.Yes,it is.1.I can't find my backpack.2.Don't worry.________3.___________4.Is it on the dresser?5.No,it isn't.6.Ah,I find your backpack.7.____ In the lost and found case:A:Can I help you?B:I can't find my ( )A:Is it on the desk?B:No,( )isn't.A:Is ( ) your backpack?B:No,it ( ).My backpack is( ).That one is small.A;What about this one Is it ( B:No ,( )is blue.This one is green.A:How about tha His backpack is on the bed.(改成一般疑问句)怎么改 His backpack is on the bed.(改成一般疑问句)怎么改 Is that his backpack the lost and found case?”处填什么?on in at of?