The professor was ________ to give us a lecture this afternoon, but it has been cancelled because of the delayed flight.
Mencius believed that the reason man is different from animals isman is good.
Neither we nor our father playing tennis.
This is a process happens when land becomes desert people cut down trees and dig up grass.
The director thought I was referring to her,in fact, I was referring to the men on duty.
With several students , Mr. Smith came into the lab.