Помогите пожалуйста.
Заполните пропуски, поставив глаголы, данные в скобках, в грамматически правильную форму (Present Perfect or Perfect, Past Future Perfect).
1. The park looked awful. People …………. (leave) litter everywhere.
2. You can have that newspaper. I …………. (finish) with it.
3. There’s no more cheese. We …………. (eat) it all, I’m afraid.
4. We (finish) this exercise by 8 o’clock.
5. There was no sign of a taxi, although I …………. (order) one half an hour before.
6. This bill isn’t right. They ……….. (make) a mistake.
7. She (have) lunch by the time we arrive.
8. I spoke to Melanie at lunch-time. Someone ………….. (tell) her the news earlier.
9. I was really tired last night. I ………… (have) a hard day.
10. They (build) the road by the end of the year.
11. Don’t you want to see this programme? It …………. (start).
12. I (spent) all my money by tomorrow.
13. It’ll soon get warm in here. I …………. (turn) the heating on.
14. At last the committee were ready to announce their decision. They ………. (make) up their minds.
15. Before the end of the year they (complete) the project.