A. along
B. with
C. of
D. in
🧠 Explanation:
In “He was walking along the roadside,” “along” is the correct preposition. For English students, this highlights preposition usage, making it a key topic for studying grammar, linguistic clarity, and sentence structure. Prepositions clarify movement. Understanding this improves grammatical precision. It’s essential for mastering grammar in communication. Studying prepositions offers insights into how language conveys direction, crucial for English, journalism, and communication.
