When something is on fire, people throw sand on it to put out the fire. The main use of the sand is to _________.
| A．protect the thing on fire |
| B．add weigh to the thing on fire |
| C．keep the air away from the thing on fire |
| D．lower the temperature of the thing on fire |
—When did the old man die?
—He ________a rainy winter evening.
| A．passed away in | B．past away in |
| C．passed away on | D．past away on |
—Could you tell me?
—Certainly.
| A．who is waiting for me |
| B．who are you waiting for |
| C．what the matter is with your bike |
| D．how to do |
—Doctor, it seems you like to work with animals.
—Yes, I think animals should as our friends.
| A．that; consider | B．that; be considered |
| C．what; consider | D．what; be considered |
The 2nd Youth Olympic Games wason TV. So everyone could watch it at home.
| A．covering live | B．covered lively |
| C．cover live | D．covered live |
They were _________ busy _________ with each other _________ the time.
| A．too; to talk; to forget |
| B．too; talking; to forget |
| C．so; talking; that they forgot |
| D．so; to talk; that they forgot |