--Could you tell me____the computer to surf the Internet?--Sure. It’s very easy. Look, like this.
— I am afraid that a ghost is behind the tree! —______! There is no ghost in the world.
.We stopped ______, but heard nothing from the room.
Theretwo wonderful basketball matches this weekend.
---Is the ball under________desk? ---No,it’s under_________.
Why______the modern city with us?