Упражнение 6. Дайте ответы на вопросы, используя Present Perfect. В ответах

Упражнение 6. Дайте ответы на вопросы, используя Present Perfect. В ответах используйте фразы, данные понизу:

Эталон:Why is she happy? (to win a lottery) - She has won a lottery.

1. Why is your father so angry? 2. Why is she tired? 3. Why do you look so unhappy? 4. Why are the students laughing? 5. Why is Susan crying? 6. Why is she staying in bed? 7. Why does he stay home? 8. Why is Peter late? 9. Why aren't you singing? 10. Why is she so sad? 11. Why is he dead?

to put on his best tie, to have a lot of work, to fail at the exam, to hear a joke, to lose one's money, to fall, to break his leg, to oversleep, to lose one's voice, to hear bad news, to take poison.