Be careful _ too fast, or there _ be an accident.
I am very excited _______ I hear the news that the high-speed rail will be built from Hefei to Wuhu.
In Tianjin Big fire more than one hundred people died, fifty-eight fire fighters.
— It’s too late. I must be leaving now. — Oh, it’s raining hard outside. You’d better wait it stops.
What does the sign mean?
— Don’t run through the red light. That’s the traffic law. — OK,I won’t.