3.
3) They were looking at magazines/
4) The boy was wearing trousers and a T-shirt
5)He wasn't wearing a jacket
6) he was carrying a rucksack
7) The girl was wearing a green anorak
4.
2) Why were you going there?
3) Were you going fast?
4)What speed were you doing?
5) Were you watching the road?
6) Were you using your mobile?