Multiple choice

Twenty five persons die -------- cholera every year.

  1. over

  2. on

  3. of

  4. by

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When someone dies from a disease, the correct preposition is 'of'. 'Die of cholera', 'die of cancer', or 'die of a heart attack' are standard expressions. 'Die by' usually indicates method or agent (like 'die by suicide'), 'die on' indicates time or place, and 'die over' is incorrect.