MCQ Practice English 📖 I think he is familiar _____this subject. A for B of C to D with Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up This question appeared in DU GA Unit Question Bank English 2018-19 Question 14 DU GA Unit Question Bank English 2018-19 Question 14