根据句意，用括号中所给词的适当形式填空 。（共5题，满分5分）
— What's ____ (Jane) telephone number?
— 15869693354.
They are in the same grade but they are in the different____ (class).
— Why not____ (look) at the photo？
— Good idea.
His mother is a ____ (farm).
It's time ____ (have) lunch. Let's go.