Identify the correct relative pronoun for the sentence: 'The book ______ you borrowed is due tomorrow.'
答案解析
核心考点: 定语从句引导词。解题思路: 先行词 'book' 为物，且从句缺宾语。正确答案C (which) 修饰物且在从句中作宾语。A (who) 修饰人，B (where)/D (when) 修饰地点/时间。易错点：忽略先行词属性。
正确答案：C