It’s the gases ___ natural gas and the burning of coal give off ____ add to the overheating of the earth.

That Jill was worried seemed _____ to everyone present at the meeting.

My father always warns me that there is no such thing as a freelunch because we can’t get _________ for nothing

of money every month.I cannot save a single penny. [ ]

People are busy buying all kinds of things when Christmas Day is ______.