朗读并翻译以下单词和短语:recommend,duty-free shops, silk scarf, ask about price, ask for help, total price, on sale, discount, back pack, cash, 旅行凭证,登机牌,随身携带行李,传送带,处理,信用卡,行李箱,登机口,在机场.
【单选题】听力原文:M: I can' t find the key to my car, I need to go for a drive. W: I'll look for it later. Right now I want you to help fix the shelf before I paint it. Q: What will they do first? (13)