Mary felt herself _______to take action to defend herself.
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.
—He says that my new car is a ____________ of money.—Don’t you think those words are just sour grapes?