1.   And the more I think about how nothing can be helped, the faster the fog rolls in.

2.   By the time we reached the island, dusk was falling and a thick fog had rolled in.

3.   Fog rolled in from the sea.

4.   The fog rolled across the fields, obliterating everything in its path with a flannel-like opacity.

5.   The fog rolled in from the ocean.

6.   The fog rolled in, and a grey shroud covered the city.

7.   The wind died away completely, and we were left motionless as the fog rolled in.

8.   The fog soon rolled away.

9.   As the car went along Tower Hill, fog rolled in from the Thames.

10.   Blankets are provided when the fog rolls in.