As a result of destroying the forests, a large _____ of desert _____ covered the land.
—I wonder if I could make a living by writing.—________?
The situation put us at a serious________,which made us very worried.
I think he’s determined that he won’t give in—you may try your luck and see if you can persuade that old________fellow.
We’d better discuss everything________before we work out the plan.
In order to protect the environment,people are greatly encouraged to travel by public________.