Are those your sisters?Is that your sister?还是 That is your s

is that your parents 还是are those your parents? Is that ( ) your sister Are that your sisters? This is your sister That is my is that your sister?应该怎样回答? Is that your sister?怎么回答 一：1：that,car,is,new,your?(连词成句）2：Those are his sister.（改为否定句 4.—Are those your books?(同上）—No,( )( ).5.Is that your tuler? Is that your umbrella?用Is对吗还是用Are? That’s your English-Chinese d--------------. Is that your ke (1)This is Gina's sister.改成复数句 (2)Are those your friends?(作肯 、连词成句1、 sister,is,she,your(?)2、 are,Lucy’s,those,rulers(.)3、