1 . You can’t really ____________ (欣赏歌剧) without any knowledge about them. (根据汉语提示完成句子)

2 . Philip bought tickets for The Phantom of the ________ (歌剧). He was going to watch this________ (音乐剧) on the weekend. (根据汉语提示单词拼写)

3 . Young conductors earn their spurs in a small orchestra or ________ (歌剧) house. (根据汉语提示单词拼写)

4 . Jim together with his family planned to go to the___(歌剧) this Sunday. （根据汉语提示单词拼写）