若你想做有关明代内阁的研究,最有价值的资料应该来自( ) A.记录片 B.《明史》记载 C.民间传说 D.经过证实的带有“票拟”和“批红”的奏章 答案:D ------______, is the seat free? ------______, it’s taken. My friend will be back soon. A. I’m sorry; I apologize B. I beg your pardon; I’m afraid C. Good morning; Oh, that’s right. D. Excuse me; Sorry