it s under the sofa.and where s my backpack?

it s under the sofa.and where s my backpack? Hmm...it's under the sofa. where's my backpack? 补全对话,每空一词 ( )know.where 's my backpack? ( ） under the table? A:Where's your guitar?B:It's near the sofa and the desk.A:It What"s under the sofa? Where the chair ?It“s (). A.near the sofa B.on the sofa C.un Where’s the baseball?Is it in the backpack?No,it isn't .it's Unit 4 Where's my backpack? Mum,where is my bag?I can't find it.______?No,it's under the It's on the sofa. on,Tv,my,is,and,under,table,the,backpack,is,it,the 怎么连成一句话