Question

Answer 1

IX

1 studies

2 is talking

3 do - do

4 does - rise - set

5 is

Answer 2

X

1 was built

2 is

3 travel

4 has been found

5 drink

6 cooking

7 to solve

Answer 3

XI

1 reading

2 to lock - going

3 to explain - to listen

4 to understand

5 to inform

Answer 4

XII

1 had to

2 was studying

3 didn't go

4 had lost

5 came