I have never finished reading Robinson Crusoe.

• I have never finished reading Robinson Crusoe. (我從未讀完《魯濱遜漂流記》) (正)
• I have never finished reading the Robinson Crusoe. (誤)

解說：Robinson Crusoe 是人名，為專有名詞，首字母要大寫；書籍名稱前通常要加定冠詞 the，但以人名為書名時不用 the。