---Why do you look so worried?---I’m expecting a call from my son. He London for three days.
—_____ are in the same class. —Yes, ____ should help each other.
It takes ____ forty minutes _____ this English class.
—There is a desk ___ the hall. —Yes. And there is a tree ___ the hall.
— _____ does Uncle Li go fishing? — Every afternoon.
—What’s your favorite subject, Jane? —I like ___ best. And I am good at reading maps.