Duplicate papers can be copied and pasted, but don't copy and paste too much. Because he didn't ask, you are not sure how high his repetition rate is. If the repetition rate is too high and you just copy and paste, then when you check the test paper, the repetition rate will be high. If it's a high draft, you may still have time to sort it out. If it is finalized or ready to be finalized, I won't have time to come to you again.