This is a photo of Emma's family.(變複數) It's a book in Englis

題目：

This is a photo of Emma's family.(變複數) It's a book in English.(對劃線部分提問) ————
Is this yuor pencil case?(做肯定回答)

解答：

This is a photo of Emma's family.(變複數)
These are photoes of Emma's familly.
It's a book in English.(對劃線部分提問) ————
What is it in English?(提問a book)
再問： Is this yuor pencil case?(做肯定回答)
再答： Yes, it is.