find the mistake

[cindrella2]

the flight was late becauce of the atomosphere conditions
when our car broke down ,it left oil marks on the road
After a sandstorm, everything is very dust
they have not been to England since along time
many people think it is a possible that dinosaurs will once more live on the earth
unless you have a valid visa,you wouldn't visit england
nora had finished her lunch before she will go for a walk
the house needs to be painting in the summer
the policeman accused mazen of exceed the speed limit
eating junk food is saying to br harmful
i haven't been to kuwait for i was twelve
they went shopping in order tofeching some new clothes
we should encourage tourists from breaking off the coral in the red sea