The international agreement, ______ to encourage children not to smoke and help people kick the habit, was signed on February 27.
Mr. Barren doesn’t think that all bad language should be allowed. In his opinion, there are ___________ that should be kept up.
In a time of social reform, people’s state of mind tends to keep _______ with the rapid changes of society.
—Correct ____ is important.—I agree. I don’t eat sweets now, for I’m on a _____.
Swimming is ___ in summer.
From their _____on the top of the TV Tower, visitors can have a better view of the city.