Personal space is the region surrounding a person ________ they regard as psychologically theirs.
The biggest whale is ___ blue whale, which grows to be about 29 meters long—the height of ____ 9-story building.
We can never expect bluer sky unless we create less polluted world.
I was born in New Orleans, Louisiana, a cityname will create a picture of beautiful trees and green grass in our mind.
At the age of 29, Dave was a worker, _____ in a small apartment near Boston and ______ what to do about his future.
I can ______ be a teacher. I’m not a very patient person.