Question

Tap the sentence that uses an ordinal adjective correctly.

• A. Come to the fifteen floor.
• B. Come to the fifteenth floor.
• C. Come to the floor fifteen.
• D. Come to the floor fifteenth.

Answer 1

The correct option is B Come to the fifteenth floor.

Any ordinal adjective after 'third' always ends with the letters '-th'. An ordinal adjective must always be placed before the noun it describes.