____ from endless homework on weekends, the students now find their own activities, such as taking a ride together to watch the sunrise.
________ makes mistakes must correct them.
We must take steps to prevent the __________ world population.
The amount of money that he saved reached _________ 30000 dollars.
It is pretty well understood_______controls the flow of carbon dioxide in and out of the atmosphere today.
Mary got into acting purely _____________.