Раскрыть скобки в Preset Perfect или в Present Perfect Continuos

1. I have written the letter, so perhaps you would post it for me.
2. For the last two years, he has been writing a history of the Civil War.
3. A: What have you been doing for the last half an hour?
B: I have been sitting here working at this problem.
4. We have always lived / have always been living in a bungalow, so it will seem strange when we move into a house .
5. How have you been keeping? Well, I hope.
6. You look very upset. What has happened? .
7. He shouldnʹt drive this evening. He has drunk.
8. Iʹd better not drive. I have already drunk quite a lot.
9 . The meat must be nearly ready. It has been cooked for nearly an hour.
10. Have you not finished that book yet? You have been reading it for more than a week.
11. I wonder if John has forgotten my number. I have been expecting him to call for the past two hours .
12. Iʹm sorry weʹre late. Have you been waiting long?
13. A: How long have you known the truth?
B: I have only just found it out, but I have found out a lot of other things just recently.
14. If he has asked me that question once, but he has been asking it to me a dozen times!