1. Where have you been? I've waiting for you for an hour.

2. Anna haves been a soccer fan sincefor a long time.
3. Since I hwave beens a child, I liked to solve puzzles.
4. Have you ever wanted to travel around the world?
5. The family ihas been at the hospital since they heard about the accident.
6. My sister is only 30 years old, but her hair has begaun to turn gray.
7. Jake has been workinged as a volunteer at the cChildren's hHospital several times.
8. Steve has worn his black suit only once since he has bought it.
9. My cousin ihas been studying for medical school exams sincfor the last month.
10 .TFor a week, the students harve hearingd rumors about their teacher's engagement for a week.
11. I do not know the results of my medical tests already.et; I'll find out soon.
12. Jean has been trying to get online to go Internet shopping for an hour.
13. By the time Michelle unlocked the door and got intoside her apartment, the phone alrehady stopped ringing.