ответить на вопросы в present perfect 1 have you had dinner yet? 2 have you had coffee today? 3 has your brother left for kiev? 4 has she ever met my elder brother? 5 has mary been to the canteen yet? 6 have you found anything to your taste on the menu? 7 have they paid for the lunch yet?
Как вариант:
1. Yes, I've already had dinner.
2. No, I haven't my coffee yet.
3. Yes, he has already left for Kiev.
4. Yes, she has recently met him.
5. No, she hasn't.
6. No, I haven't found anything.
7. Yes, they've just paid.