📝 Formal vs Informal Writing Test: Online Quiz with Answers (B2-C1)

1. "I would be grateful if you could..." This is (formal / informal).

2. "Sorry, can't make it." This is (formal / informal).

3. Formal version of "put off": ______.

4. Formal version of "can't": ______.

5. Formal version of "buy": ______.

6. Rewrite formally: "I can't come." → ______.

7. Rewrite formally: "Thanks for your help." → ______.

8. "The experiment was conducted." This is (formal / informal).

9. Formal word for "go up": ______.

10. Formal word for "look into": ______.