1.   My head was swimming, and the floor seemed to be moving up and down.

2.   The floor seemed to give way beneath her.

3.   The floor seemed to be heaving about beneath her feet like the deck of a ship.

4.   A. That floor seems a little thick for heat to penetrate very efficiently, wood being a fair insulator.

5.   Above the safe, the second floor seemed to float in space, since it was set back from the exterior curtain wall.

6.   But that floor seems almost jarringly out of place in a building where time seems to have stopped decades ago.

7.   In some tall office buildings and department stores, one floor seems to have completely disappeared while the floors above and below suffered far less damage.

8.   So the two floors above almost seemed free.

9.   The machine produced such a strong brew that all the editorial floors seemed to be permeated with the aroma of a cafe.

10.   Then she notices how her newly washed linens make her floor seem dull, so she scrubs it, too.