Exercise 1.
1. The child________ before the doctor arrived.
2. We cleaned up the room as soon as the guests________.
3. The secretary________ the report by 10:00 yesterday.
4. Jane's eyes are red. She________.
5. This room is dirty. Someone________ in here.
6. Arsenal________ next Monday.
7. it________ rain tomorrow.
8. I'll come and see you before I ________ for America.
9. The little girl asked what________ to her friend.
10. John________ a book when I saw him.
11. He said he________ return later.
12. Jack________ he door.
13. I have been waiting for you________.
14. My sister________ for you since yesterday.
15. Jack________ the door.
16. The train________ half an hour ago.
17. We________ Doris since last Sunday.
18. When I last saw him, he________ in London.
19. She is tired now. She________ for a long time.
20. They will have gone home before you________ to meet them.
