05. a, an / um, uma
a. I’ve got an idea! ／ Tive uma idéia! 我有个主意！
b. A moment, please. ／ Um momento, por favor. 请稍等。
c. How much is a hamburger with fries? ／ Quanto é um hambúrguer com fritas? 汉堡加薯条多少钱？
（顺便贴点麦当劳里各种食品的英汉对照）
大冷饮(雪碧,芬达,可口可乐) Large Drink
标准冷饮(雪碧,芬达,可口可乐) Regular Drink
巧克力奶昔 Chocolate Shake
草莓奶昔 Strawberry Shake
香草奶昔 Vanilla Shake
汉堡 Hamburger
吉士汉堡 Cheeseburger
双层汉堡 Double Hamburger
两个吉士汉堡,热红茶 2 Cheeseburgers,Hot Tea
吉士汉堡,奶昔 Cheeseburger, Shake
双层吉士汉堡 Double Cheeseburger
巨无霸 Big Mac
麦香鱼,咖啡 Filet-O-Fish, Coffee
汉堡,标准薯条,标准饮料 Hamburger, Regular Fries, Regular Drink
麦香鸡,热红茶 McChicken Sandwich, Hot Tea
两个汉堡,标准冷饮 Hamburgers, Regular Drink
麦香鱼 Filet-O-Fish
麦香鸡汉堡 McChicken Sandwich
麦辣鸡翅 Spicy Chicken Wings
热红茶 Hot Tea
热巧克力 Hot Chocolate
咖啡 Coffee
标准橙汁 Regular O.J.
大杯橙汁 Large O.J.
鲜奶 Milk
苹果派 Apple Pie
巧克力圣代 Chocolate Sundae
菠萝圣代 Pineapple Sundae
大薯条 Large Fries
标准薯条 Regular Fries