America is growing older．Fifty years ago, only 4 out of every 100people in the United States were 65 or older．Today,10 out of every 100 Americans are over 65．Theaging of the population will affect (影响)American society in many ways-education, medicine, and business．Quietly, the graying of America has made us avery different society-one in which people have a quite different ideaof what kind of behavior (行为)is suitable (合适) at various ages.

The underlined word “one” in the first paragraph refers to ________ .

—Will you please repeat your idea?

—Certainly. But I think it certain you ________ your attention.

---________ to go to the cinema with me tonight?

---But I’llbe busy preparing my lessons.

---Michaelleft for California this morning.

---Oh, Ithought he ________ until next week.

—Is there any possibility of the film ____ in Paris International Festival?

—Not in the least, because the audience generally think little of it.

---Tony, do remember to send the report to the sales manager !

---_______

---Why did you come by bus?

---My car broke down yesterday evening and I ____ it repaired.

—Mary told me she would﹍﹍computer studies.

—Really? I’ll try my best to ask her to﹍﹍such foolish ideas.

--- Guess what! I’ve passed my oral English test and got

--- congratulations. You ____ practiced a lot.

—Sorry, I can’t go camping with you. I have to get ready for tomorrow’s exam.

—______. We can do it together next time.