OK,Is this your watch?

OK,Is this your watch? OK.< >Is this your bag?< >里填英语 ok,this is test Is this ok? Your teacher is ok. Ok,and this is my book and this is your pencil case ,Jane. OK.and this is my book.And thr is your pencil case Jane Hope .your everything is ok Is that your key? _____ .This is my key . A. No B .Yes C. OK D .Excuse me is this your skirt this is your Maybe this is your Is this your uncle? this is your aunt. is this your business Is this your schoolbag? Is this your (空格) Is this your schoolbag?