The teacher was ____when he heard the____news.
---Good evening. I _______ to see Miss Lisa.---Oh, good evening. I’m sorry, but she is not in.
Why not________your teacher for help when you can’t finish ________it by yourself?
The population of the world ____ still ____ now.
There's _________800-metre-long road behind _________hospital.
——You have a fever. What’s the matter with you?——H7N9 is coming now. I have to see the doctor.