Why did Natterson-Horowitz and Bowers write the book?
A、To better educate human teenagers.
B、To better understand their own children.
C、To research on adolescent peer pressur
D、To get to know adolescent drinking problem.
V. Daily Conversation Directions: Pick out appropriate expressions from the eight choices below and complete the following dialogue by blackening the corresponding letter on the Answer Sheet.A. I have a reservation B. How do you do. C. What 's the name, please. D. Here you are.E. How may I help you F. I have a very nice stay here.G. Did you have a pleasant tripH. May l see your ID, pleaseClerk : Hello, welcome to North Park Hotel! 56 ?David : Hi , yes. 57 . My assistant booked a room for me three days ago.Clerk: 58?David : Sarah Gatesby.Clerk : Ah, yes. She has booked a standard double room, non-smoking for David Black.David: Yes, that's me.Clerk: 59 ?David: Sure. 60 .Clerk : Thank you.