12-11：代班和换班
对话
Baker has got something on for several days. He wants to ask Steven to cover for him. Now they are talking about it,
贝克几天来都有事。他想请史蒂文为他代班。现在他们正谈论此事。
Baker: Could you cover for me on Tuesday? I'm not coming back until Wednesday.
贝克：你星期二能帮我代班吗？我要到星期三才回来。
Steven: Sure. What’s up?
史蒂文：当然可以，有什么事情吗？
Baker: We're going to the beach for the weekend.
贝克：我们周末要到海边去玩。
Steven: Are you going fishing?
史蒂文：你要去钓鱼吗？
Baker: No. Just some fun in the sun. We really need to get away and relax for a few days.
贝克：不，只是去晒晒太阳。我们真的需要去放松几天了。
Steven: Well, don't worry. I’ll take care of the business for you. Have fun!
史蒂文：嗯，不要担心，我会替你做好工作的，你好好地玩吧。
cover for 顶替，代替
relax v.休息，放松
