My uncle, ___ is a retired professor, often gives me advice on my studies.
✓ Correct Answer: Option B
'Who' is the correct relative pronoun for people in a non-defining relative clause (set off by commas), providing extra information about the uncle.
📚 About This IELTS Exam Prep Practice Question
This 3-level IELTS Exam Prep question from the Grammar topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.
How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free IELTS Exam Prep practice test or use flashcards for spaced repetition review.