Our teachers always tell us on the road because it’s really dangerous.
| A．to play not | B．not to play |
| C．not playing | D．not play |
Why not________your teacher for help when you can’t finish ________it by yourself?
| A．ask,write | B．to ask,writing | C．ask,writing | D．asking,write |
The population of the world ____ still ____ now.
| A．has; grown | B．is; growing | C．will; grow | D．is; grown |
There's _________800-metre-long road behind _________hospital.
| A．an,an | B．a, a | C．an, the | D．a, the |
——You have a fever. What’s the matter with you?
——H7N9 is coming now. I have to see the doctor.
| A．wrong . | B．worry | C．illness | D．pain |
The boys and girls follow Yao Ming all the time.
| A．go after | B．go in for | C．look after | D．look for |