试一试: Yasmin: ___ ask you a question? Lars: Sure. What is it? 选出 Yasmin 会说的话。 (Could you / Could I / Do you) 答案: Could I — 是 Yasmin 自己想问，所以她说 Could I ask you a question?
Is it okay if I …?：我可以……吗？
Is it okay if I + 动词，是问别人“我能不能做某事”的另一种说法。
Is it okay if I leave early today?
试一试: Man: ___ eat the last cookie? Woman: Sure. I don't want it. 选出那个男人会说的话。 (Could you / Is it okay if I / Can you) 答案: Is it okay if I — 是他自己想吃，所以他问 Is it okay if I eat the last cookie?
回答：Sure / Of course / Sorry, you can't
同意就说 Sure 或 Of course。不行就说 Sorry, you can't。
Can I park here? — Sorry, you can't.
Can I help? — Sure.
Could I have some water? — Of course.
试一试: Yasmin: Can I eat my lunch in the reading room? Lars: ___ No food in the reading room. 选出 Lars 会说的话。 (Sure. / Sorry, you can't. / Thank you.) 答案: Sorry, you can't. — 阅览室里不能吃东西，所以 Lars 说 Sorry, you can't。
请别人做事：Could you …?
想让别人帮你做一件事，就问 Could you + 动词。
Could you close the door, please?
试一试: Man: My hands are full. ___ take my coffee? Woman: Sure. Give it to me. 选出那个男人会说的话。 (Could I / Do you / Could you) 答案: Could you — 他想让她帮忙拿，所以他问 Could you take my coffee?
Would you mind + -ing?（认识就行）
Would you mind + -ing 是请别人做事的一种很礼貌的说法。答应的话，就说 No problem 或 Sure。
Would you mind waiting a minute? — No problem.
试一试: Woman: Would you mind moving your car? It's in front of my house. Man: ___ 选出那个男人的回答。 (Oh, thanks! I'll park here. / Oh, sorry! I'll move it now. / Oh, great! I'll wash it.) 答案: Oh, sorry! I'll move it now. — 她请他把车挪开，所以他说 I'll move it now。