Chọn đáp án phù hợp nhất để hoàn thành các câu sauCâu hỏiPeter is talking to Katy, his classmate, in the classroom. Peter: “Do you mind if I use your pencil?” Katy: “………………” A. Certainly, it’s true. B. Sorry. I have no idea. C. Never mind. Help yourself. D. That’s a good idea.