Soru: Choose the correct relative pronoun to complete the sentence: "The author ______ book I borrowed is very famous."
A) who
B) which
C) whose
D) whom
Çözüm: The correct answer is C) whose. 'Whose' is used to show possession. In this case, it indicates that the book belongs to the author. Option A (who) is used for people as the subject of a verb. Option B (which) is used for things. Option D (whom) is used for people as the object of a verb.