将下列各句改成复数
问题描述：
将下列各句改成复数
This is a picture.
That is a photo.
She is a lovely girl.
Is it your dress?No,it is not.
There is an old book on the shelf
答
These are pictures.
Those are photos.
They are lovely girls.
Are they your dress?No, they are not.
There are some old books on the shelf.