I
1 A
2 B
3 A
4 B
5 A
6 B
II
1 The window is closed by the teacher.
2 Cars have been repaired by the mechanic
3 The air pollution problem will be solved by the scientists.
III
The children will be taken to the zoo next week.
My keys were found in the street last Monday.
The bank has been robbed this week .