11.   The floor was covered with jagged pieces of glass.

12.   The kitchen floor was covered with dirt.

13.   The stopper was missing and the brandy had trickled out to soak into the sisal matting which covered the floor.

14.   The window had gone, and the floor was covered with jagged pieces of glass.

15.   The wooden floor was covered by two mats.

16.   Their floors are covered by sheets of boulder clay.

17.   Wood chips covered the floor of the workshop.

18.   He has dug up the tiles that cover the floor and left them in a heap.

19.   The floor was covered with shavings from his wood carvings.

20.   The floors are covered with woven straw mats.