—Is this __________ ruler? —No, it’s my ruler. __________ is over there.

The little boy can't find        mother, so he is crying.

---__________ big the office is! Is it for Tom?---No, it’s ___________. He shares it with me.

—__________ will your father be back?—In two months.

—Who is the boy over there?—It’s ______ brother.