补全对话（共5小题，每小题2分，满分10分）
根据语境，用恰当的语言完成对话。
Woman: What are you doing this afternoon, dear?
Liu Yu: ___________________________________．He just got his driver’s license.
Woman: I am sorry．You can’t go to Hualian Supermarket with Wu Peng．I think ______________________________________________.They aren’t serious enough at that age.
Liu Yu: _________________________________________________．Well, we can go by bus．I have to go to the supermarket．
Woman: What’s the reason?
Liu Yu: ___________________________________
Woman: What kind of coat are you going to buy? Maybe I should go with you.
Liu Yu: Aw, Mom．I am not a child．I think 9_________________________________.
Woman: Well, I just want to be sure you get something nice.