根据句意和汉语注释，在答卷标有题号的横线上，写出单词的正确形式。
(1)He seldom____  (回复) to the e-mails his friends send him.
(2)Our English teacher has offered us some useful ____ (建议). I think they will help us a lot in our English study.
(3)I came here ____ (专门) to invite you to my party.
(4)Listening to music can make you forget your ____  (悲伤).

随着《芈月传》的热播，对西安兵马俑到底是谁的陪葬品的争议尘嚣日上。传统观点认为，兵马俑是秦始皇的陪葬品，但另有些史学家认为兵马俑是芈月的陪葬品，并提出了相关证据。对兵马俑的争议（    ）

①说明历史事件由于年代久远，难有评定标准

②最终需要通过考古结果来证明孰对孰错

③表明对复杂事物的认识需要一个长期的过程

④折射出意识的直接现实性和主动创造性