Câu 2 : ngữ pháp 49. I wanted to see the man. He owned the restaurant. A. I wanted to see the man, who owned the restaurant. B. I wanted to see the man who owned the restaurant. C. I wanted to see the man, whom owned the restaurant. D. I wanted to see the man whom owned the restaurant. 50. I regret not booking the seats in advance. A. I wish I booked the seats in advance. B. I wish I have booked the seats in advance. C. If only I booked the seats in advance. D. If only I had booked the seats in advance.