A floor can be the surface inside a room or one level of a building.
The idea
Use on the floor for the surface and on the ground floor for a building level. Count levels with three floors.
Examples
- The book is on the floor.
- She cleaned the kitchen floor.
- The building has three floors.
- Our office is on the ground floor.
- He sat on the floor beside the bed.
- In the UK, the second floor has two rooms.
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Watch out
Numbering differs: in the UK the ground floor is usually below the first floor; in the US first floor usually means the ground-level floor.
Try it yourself
Choose the indoor walking surface. The book lies on the surface people walk on: the ___. (floor / wall)
Show answer or example answer
floor
The floor is the surface under the book.
Choose the plural for building levels. The building has three ___. (floor / floors)
Show answer or example answer
floors
Floors counts the building levels.
Choose the usual US term for ground level. In the US, the ground-level floor is usually the ___. (first floor / second floor)
Show answer or example answer
first floor
US first floor usually means the ground-level floor.
Practice round
Answer questions and rebuild English sentences to practise. Your score is shown.
Choose the indoor walking surface. The book lies on the surface people walk on: the ___. (floor / wall)
Choose the plural for building levels. The building has three ___. (floor / floors)
Choose the usual US term for ground level. In the US, the ground-level floor is usually the ___. (first floor / second floor)
Tap the words in the right order.
Tap the words in the right order.
Tap the words in the right order.
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Describe something on a floor and name a level in a building.

