下列句子排序与衔接最恰当的一组是①唐诗，是中国历史上较为开放时期的唐代社会生活的文学纪录②是他们的心理素质、情感幻想和思维方式的折射③是人们在面对经济、生活、边疆战争、羁旅游宦、纯真友谊、缠绵情爱、优美风光时种种精神状态的结晶④是当时中华民族各族人民丰富多采的生活感受和复杂曲折的思想历程的反映⑤生活是文学艺术的源泉

I can’t swim. What________you

Discovery in a South African cave suggests that modern human behavior ____ much earlierthan ____.

He knew that cholera would never be controlled _____ its cause was found

A new shop _______ for a week nearby. Let’s have a look there.— Good idea. Let’s go to have a look together.