YOU SAID:
I don't know where this letter came from
INTO JAPANESE
この手紙がどこから来たのかわかりません
BACK INTO ENGLISH
I don't know where this letter came from
INTO JAPANESE
この手紙がどこから来たのかわかりません
BACK INTO ENGLISH
I don't know where this letter came from
You've done this before, haven't you.