The river has become much ______ than before because of the waste water from the factories.A. dirty B. dirtier C. dirtiest
Hurry up, you will miss the plane.
Both parents were born 1970.
I’m talking to you ,Jack. Please listen to __________ carefully.
Look! Laura is getting the first place._____ fast runner she is!
On May 22, a Han taxi driver_____ an old lady to the hospital as soon as he could in Xinjiang.