Here are the answers to the exercise:

1. Complete the sentence with one word: Ronaldo's from Portugal. He's **Portuguese**.
2. Complete the sentence with one word: She's from Scotland. She's **Scottish**.
3. Put the letters into the correct order to form a day of the week: e/W/e/d/d/y/n/s/a: **Wednesday**.
4. Write the correct number: seventy-eight: **78**.
5. Write the correct word: 25: **twenty-five**.