Question : Direction: Fill in the blank with an appropriate preposition.
He knows the reason___ her illness.
Option 1: on
Option 2: of
Option 3: . for
Option 4: none of these
Correct Answer:
. for
Solution : The correct answer is option 3.
Explanation:
- When discussing causes or reasons, the preposition "for" is used.
- It is positioned after nouns like "cause" or "reason."
- As a result, option 3 is the right response.