---Did you find the small village yesterday? ---Yes, without any difficulty, for it has __________changed over years.
Their school looks quite different from _______ ten years ago.
We must try our best to stop pollution ______ a low-carbon(低碳)life.
–I think honesty is the most important thing in doing everything. –__________ .
Four hundred dollars for just a pair of shoes? You ______ be joking!
The water ______ cool when I jumped into the pool for morning exercise.