1、They are (their) rulers（.）(对划线部分提问)
________ ________ are they?
2、they giel’s eye (blue).
________ ________ are the girl’s eyes?
3、These are my shoes.（改为否定句）
These ________ my shoes.
4、That are Jane’s pen cil.(改为复数形式)
________ ________ Jane’s ________