Everything comes with ________ price;there is no such ________ thing as a free lunch in the world.
The school was built _________ there had once been a church.
—Mom, what did the doctor say?—He advised me to live _________ the air is fresher.
The WTO can't live up to its name _________it doesn't include acountry that is home to one fifth of mankind.
If it _________ the snow, we _________ Simian Mountain last week.
He insisted that we all _________ in his office at one o'clock.