Severalyearslaterafterhe

問題詳情：

Several years later after he ______ that he had cancer, he passes away peacefully in his sleep. It’s great sorry that no special medicine has been ______ in the world.

               A. discovered; found    B. found out; invented

               C. discovered; invented nted; discovered

【回答】

C

知識點：相似 相近詞比較

題型：選擇題