Answer:
- Mike's been here for two hours.
- Anna waited for you since eight o'clock.
- It rained hard for hours.
- The cake is ready, I already made it!
- Have you studied a lot recently?
- Sorry! You missed the late bus.
- I saw you for a long time.
- Unfortunately Princess Diana died.
- We lived in Porto Alegre since 2011.
Step-by-step explanation: