A. Yes, I see. B. Yes, I am. C. No, I don't. D. No, I didn't.
A. Yes, he did. B. Yes, he does. C. Yes, I do. D. Yes, I know him.
A. Yes, we are. B. Yes, I am. C. Yes, they are. D. Yes, she is.
A. 以爱国主义为核心的民族精神 B. 以忧国忧民为核心的忧患精神 C. 以改革创新为核心的时代精神 D. 以积极进取为核心的梦想精神