A. By
B. To
C. In
D. about
🧠 Explanation:
In “You must stick __ your promise,” the preposition “by” fits, indicating adherence. For English students, this highlights preposition usage, making it a key topic for studying grammar, linguistic clarity, and sentence structure. “By” ensures accurate meaning. Understanding this improves writing precision. It’s essential for mastering grammar in communication. Studying prepositions like “by” offers insights into how language conveys commitment, crucial for English, journalism, and communication, ensuring clear expression in academic or professional contexts when addressing obligation or adherence.
