You seldom make mistakes ... your homework.

[Sitifan]

You seldom make mistakes __ your homework.
Which preposition goes into the above blank, in or on?
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Thank you very much for your reply.

[Mister Micawber]

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Which do you think, Sitifan?
.
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Native English teacher at Mister Micawber's

[Sitifan]

On is correct, isn't it? I don't know whether in is correct or not.
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Thank you very much for your reply.

[Mister Micawber]

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On is what the quizmaster wants, but in or with would also work.
.
_________________
Native English teacher at Mister Micawber's