Verified answer

1 was caught -was sentenced

2 is being looked

3 was introduced

4 hasn’t been seen/ wasn’t seen

5 will be appointed

6 had been built / was being built

7 are made and assembled

8 was written

9 is being repaired

10 is still being considered/ has still been considered

11 was surprised

12 is visited

13 to be announced

14 had already been delivered

15 has been translated

16 hadn’t been seen

17 will be taught

18 were being recorded

19 be seen

20 be kept