--Sam, come downstairs, please. I need your help. --Sorry, Mum. I _____ on the phone. A.talked B. am talking C.was talking.
—What do you do _____ the Dragon Boat Festival? —We usually have a dragon boat race and have some rice dumplings.
—_____ 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.