YOU SAID:
I didn't mark it off on the sheet, sorry.
INTO JAPANESE
申し訳ありませんが、シートにマークを付けていません。
BACK INTO ENGLISH
I'm sorry, I haven't marked the sheet.
INTO JAPANESE
申し訳ありませんが、シートにマークを付けていません。
BACK INTO ENGLISH
I'm sorry, I haven't marked the sheet.
You've done this before, haven't you.