I wonder why we should use the preposition in instead of at here

She scored high marks in all her subjects.


When she is good at math she scores high marks in math.

at here introduces a subject as something to which we apply our efforts and where we use our skills. It expresses the relationship of the student or devotee to the subject.

in in this context introduces a subject as a discipline, a "subject area" in its own right.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.