2. Could you bring me some coffee? 你能拿些咖啡给我吗?
I'd be glad to. How do you like it? 我很乐意效劳。你觉得怎样?
3. Would you open the car door for me? 你能帮我开一下车门吗?
No problem. It looks like your hands are full. 没问题。看起来你的手都拿满东西了。
4. Could I ask you a favor? 我能请你帮个忙吗?
It depends. What is it? 看情况而定。是什么忙?