Task B: Find the mistake. One number in each sentence is wrong. Find it and write the correct version. 1. My grandmother lives on the twenty-one floor. →

Задание: Task B: Find the mistake.
One number in each sentence is wrong. Find it and write the correct version.
1. My grandmother lives on the twenty-one floor. →

В данном предложении необходимо исправить ошибку в числительном.

Решение:

   twenty-one → twenty-first