--- .Is this bus for Yancheng ---No,it isn’t .It’s for Xuzho

--- .Is this bus for Yancheng ---No,it isn’t .It’s for Xuzho Is this a table?No,it isn't.What's it ( )( It's a chair. (is.it)this a wastebasket?no.it(is.isn't ) Somke isn't good for computer,is it?A.NO,isn't B.yes,it is c is this your watch?为什么回答no, it isn't.it's her wa is this your pencil case?___a 、yes,it's b 、no,it isn't Is （）your pen?No,（）isn't.it's（）pen A.this.this.h is that Tara?no,it isn`t it`s Tina .It isn’t ( ) for me ,It’s hard. Is this your notebook?A.Yes,it's B.Yes,this is C.No,it,isn't ----Is this red handbag Tom's?----No,it isn't.____blue ①this ②is ③dog ④Helen's ⑤no ⑥isn't ⑦it