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

问题描述:

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

Are these that twin sisters' photos

Are these those twin sisters' photo

Are these that twin sisters' photos.不要将这里的that改为those的.
我们可以看这句话Where is my pencil-box?改为复数形式Where are my pencil-boxes?不用把My改成our的.