- “Do you know where John Smith is?” - A. I’m sorry not to B. I regret, but no C. Pardon, I don’t know D. I’m afraid I don’tĐoạn văn60/80- “Do you know where John Smith is?” - “________.“I’m sorry not toI regret, but noPardon, I don’t knowI’m afraid I don’tGiải thíchĐáp án: D