Преобразуйте, если необходимо, слово, напечатанное заглавными буквами, так, чтобы оно грамматически соответствовало содержанию текста. Заполните пропуск полученным словом.
| Invented in 1974 by a Hungarian professor of Architecture, Erno Rubik, the cube was once known as the magic cube. Erno wanted to be able to design a cube that contained all moving parts without falling apart. Once it had been created however, Erno noticed that it could also act as a mind puzzle. The_____________ time he scrambled the cube he thought he would not be able to solve it. | ONE |
Ответ: first