A. Too
B. very
C. Must be
D. None of these
🧠 Explanation:
In “His records are too vague for us to know what he looked like,” ‘too’ is correct. Knowing this helps students improve English grammar, ensuring clear sentences. Understanding adverbs is useful for essays, exams, or descriptions in school. This skill is key for English classes, helping students express degree accurately. Learning correct grammar enhances communication, making it easier to express limitations in academic projects or daily scenarios where precise language improves clarity.
