Put the Verbs into Correct Forms:
4. They (watch) TVsince 5 o/clock.
7. Mary and Tom (wait) for me when I arrived home.
8. She is having her birthday today. She (already invite) us.
9. The text is very difficult, the students (translate)since morning.
10. He (know)her for many years.
11. She didn’t want to go to the cinema because she (see)the film before.
12. Bob (start)his job two years ago.
13. My sister broke her leg when she (ski) in the mountains.
14. I can’t find my umbrella. I think I (lose)it.
15. Sally (answer)the telephone calls yesterday.