1. was written
2. have been killed
3. built
4. was bought
5. have arrested
6. arrived
7. will be cleaned
8. wasn't invited
9. employs (or ( it is employed by 200 people ))
10. has lost
11. are caused
12. are shown
13. don't use
14. was built
15. be done
16. has been disappeared
17. has been shot
18.will be built
19. am serving
20 had already gone
1. will be opened... .
2. aren't grown
3. ... has been cleaned yet?
4. ... has already been published
5. are repairing
6. will be announced... .
7. was done
8. should be watered.
9. are uasually made.
10. has been produced
11. When was the first car cinstructed .
12.has already translated
13 . is being built
14. it must be cleaned
15. has been moved
16. were bought
17 . will be found
18. is ruled
19. had been discussed
20 won't be written ...
Удачи )))