She is allergic ___ cats.
She is allergic ___ cats.
Explanation
The correct preposition to use with "allergic" is "to".
She is allergic to cats.
اسے بلیوں سے الرجی ہے۔
The correct preposition to use with "allergic" is "to".
She is allergic to cats.
اسے بلیوں سے الرجی ہے۔