How old are you—if you don’t mind me asking?
How old are you—if you don’t mind my asking?
In TOEFL tests, 'my asking' was correct because 'my' is in a possessive case having 'asking' as an object, which is an orthodox grammar. But they say native English speakers also use 'me' a lot.
Which one is more used in spopken English among native speakers?
In a strict writing test, do I have to use 'my'?