I.
1a - 2b - 3b - 4c
II.
1a - 2b - 3b - 4b - 5c - 6b
7a - 8c - 9b - 10a - 11b - 12a
III.
`1 .` He travels to work by car
`2 .` The children are playing soccer at the moment
`3 .` She doesn't do her housework every afternoon
`4 .` Will he buy a new hat tomorrow ?