Give short affirmative and negative answers

1) may I come in?
2)May I have a cup of coffee?
3)May I take this book,please?
4)May I smoke here?
5)May I speak to you now?
6)May I go out?
7)May I have a glass of milk?

1) May I come in? Yes, you can. No, you can't. 2) May I have a cup of coffee? Yes, of course. No, we've run out of coffee. 3) May I take this book, please? Yes, you can. No, you can't. 4) May I smoke here? Yes, you can. No, you can't. 5) May I speak to you now? Yes, please. Sorry, have to go. 6) May I go out? Yes, you can. No, you can't. 7) May I have a glass of milk?  Yes, of course. No, we've run out of milk.

yes, you may. no, you may not.самый короткий вариант ответа.