A. He was ill by fever.
B. He was ill with fever.
C. He was ill to fever.
D. None of these
🧠 Explanation:
The correct sentence "He was ill with fever" uses proper grammar, clearly conveying a health condition. The preposition "with" links the illness to its cause, ensuring clarity. Correct sentence structure is vital for effective communication, especially in medical or descriptive contexts. This example highlights the importance of grammatical accuracy in writing or speaking, ensuring precise expression of health-related information, a key skill in professional documentation, education, or everyday interactions where clarity is essential.
