Ответ:

16 is located

17 is built

18 is completed

19 has been visited

20 is admired

21 is being restored

22 will be opened

23 Their house has been redecorated already twice

24 The children aren't allowed to play near ...

25 The car has to be repaired..

26 ...will be opened

27... souvenirs are sold

28 ...was made of

29 ... haven't been typed...

30... are being painted...

31...can

32... mustn't

33...must

34...can

35... mustn't