将Is this that twin sister's photo改为复数形式怎么改?

将Is this that twin sister's photo改为复数形式怎么改? this is my room ,that is the ___(twin) room This pink coat is my twin sister's对twin sister's提问 twin‘s的用法 twin是双胞胎是负数可为什么有This is twin's bedroom 呢,我会多给分的 This is you?thats ( ) this is ______classroom ________is over thereA.the twin's,Their B.the twin's,Your C..the twins' ,YoursDthe twins' Their 's That room is the _____ （twin）. 将下列陈述句变成一般疑问句.This is your umbrella.That's your将下列陈述句变成一般疑问句.This is your umbrella.That's your wach.This is his coat.That's his shirt.They are your classmates. Here is the twin's kite.Give______. “Whose room is this?”“It's____A.her B.the twin's C.the twins' D.their This is Ben( ).Who's that,please This is Anna (a )that's Paul and this me is all that's this is ------(he)box ,that ,s -----(you) 将下列句子变成复数形式：This is my sister.Is that a vlue jacket?That is her cousin.Here is my family photo.What's this in English?What color is your ruler?还有：This is my sisiter. 【英语】__my book.__your book.A.This is；That's B.This's；That's C.This is;It's D.This's；That is如上 [1.This`s 2.this is 3.that]a book. This is the ______ (twin) bedroom .用所给词的正确形式填空.This is the ______ (twin ) bedroom .