_____ wrote the letter? Please select one of the following choices A. Who B. Whom C. It × Good job! Right answer! Wrong answer Good job! Congrats! You've got 2 coins! 誰寫了那封信? WhoWhomIt Reminder ● 【完勝大考 7000單字】全新漂亮上線! ● 逛逛【空英商城】 不只英文~ 還有更多! Explanation 主格的時候用who,受格的時候用whom。 Chinese translation