原本題目:14. He tried to solve the mystery be in vain. (A) but (B) but it (C) only that (D) only to 修改成為14. He tried to solve the mystery ________ be in vain. (A) but (B) but it (C) only that (D) only to
only to 是表示很遺憾地發現。...
14. He tried to solve the mystery ______..-阿摩線上測驗