He is very knowledgeable ____ ancient history.
Understand the Problem
The question is asking which preposition correctly completes the sentence about someone's knowledge of ancient history. It involves understanding the appropriate use of prepositions in English.
Answer
about
The final answer is 'about'.
Answer for screen readers
The final answer is 'about'.
More Information
The correct preposition to use with 'knowledgeable' in this context is 'about', which indicates the subject matter of his knowledge.
Tips
A common mistake is using incorrect prepositions such as 'in' or 'on'. 'About' is typically used to indicate knowledge of a particular subject.
Sources
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