My opinion ___ the boy is that he will pass the examination.
My opinion ___ the boy is that he will pass the examination.
Explanation
We usually use about after opinion.
Opinion about someone means کسی انسان کے بارے میں رائے رکھنا
We usually use about after opinion.
Opinion about someone means کسی انسان کے بارے میں رائے رکھنا