【推荐1】Representations of these heavenly _________ (music), singers and dancers decorate the walls of many caves. （所给词的适当形式填空）

【推荐2】What is so breathtaking about the experience is the out-of-this-world scenes. The rolling sea of clouds you see once you are at the top will remind you how tiny we ________ (human) are.（所给词的适当形式填空）

【推荐3】At the __________ (conclude) of the programme, I asked the children if they had any questions they wanted to ask me. (所给词的适当形式填空)