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.