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.
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.