情景交际。 (1)打扰别人时出于礼貌,你应先说______________ A. Excuse me B.Sorry (2)你迷路时,你应对警察说____________ A. I’m lost B.I don’t know (3)你想问Sam现在Daming在做什么,你应说____________ A. What is Sam doing? B. What is Daming doing? (4)你想知道物品的价格时,你应问___________ A. How much is it? B.How old are you:? (5)路人向你表示感谢时,你应说___________ A. Thank you B. You’re welcome