---What do you think of the book , Betty ? ---It’s a good one . Each time you read it , you will find _______.
---What are these bottles? ---Drinking water.
There was _____ woman in the room, sitting and looking at me in the dark.
John ishonest boy and good at makingairplane model.
---Listen! Helen is singing in the next room. ---It ____be her. She has gone to Beijing.
We ______ for a long time. Shall we play for a while?