omg mine is horrible, i have so much homework :c
Please can you send me a screenshot of the passage. I can't really answer it
In English, commas should be used within a quote, in order to separate it from the indirect speech, and before the quote, for the same reason.
Thus, this is the correct answer:
"I know you did it," the detective accused the murderer, "and I can prove it!"
"Please remember to watch the gap," the conductor warned.