1. There is no more cheese. I (eat) have eaten it all, I’m afraid.
2. The bill isn’t right. They (make) have made a mistake.
3. Don’t you want to see this programme? It (start) has started.
4. It’ll soon get warm in here. I (turn) have turned the heating on.
5. HaveThey (pay) paid money for your mother?
6. Someone (take)has taken my bicycle.
7. Wait for few minutes, please! I (finish)have finished my dinner.
8. HaveYou ever (eat)eaten Sushi?
9. She (not/come)hasn't come here for a long time.
10. I (work)have worked here for three years.
11. Have You ever (be)been to New York?
12. You (not/do)haven't done your project yet, I suppose.
13. I have just (see)seen Andrew and he says he has already (do)done about half of the plan.
14. I have just (decide)decided to start working next week.
15. He (be)has been at his computer for seven hours.