Ответ:

1. I've had an accident with your car. I'm sorry.

2. Somebody has eaten my chocolates.

3. I have been waiting for you for ages!

4. I've broken a glass. I am awfully sorry.

5. How many cakes have you eaten today?

6. I've been running.

7. I have never met a nicer person in my life.

8. How long have you known Lisa?

9. He's been writing a book for nearly a year.

10. He's written a book.

11. They've been watching videos all morning.

12. They've watched five videos already.

Объяснение: