Is this book ( yes,It belongs to ( ).

Is this book ( yes,It belongs to ( ). is this your watch yes its mine it belongs to me is this you This book belongs to is this your schoolbag?yes it's .it belongs to A i B me C my ( ) book is this? I think it belongs to ( ). A.Who;me B.Who' Is this your book?Yes,it is This is the very book that belongs to Whose cell phone is this?It belongs to( ). This house is not ours.It belongs to his 改错 This book belongs to whom/who? This book belongs to中文咋说 This book belongs to me 是