Fill in the blank with the correct preposition: ‘She specializes ___ pediatric medicine.’

Explanation

The verb ‘specialize’ is conventionally followed by the preposition ‘in’ when describing a particular area of focused expertise, as in ‘specializes in pediatric medicine.’ This fixed collocation is commonly tested in academic and professional contexts describing someone’s field of concentrated study or practice. Explore more English MCQs on mcqstutor to keep practicing.