We don’t rely __ our enemies.

A. for
B. as
C. to
D. on 

🧠 Explanation:

In “We don’t rely __ our enemies,” the preposition “on” fits as it shows dependence. Prepositions are essential in English for clear sentence structure. In Pakistan, they’re used in daily talk, essays, or business emails to express relationships accurately, ensuring communication is precise in school or work.