1 . Potatoes turn green when ________（暴露）to light. （根据汉语提示单词拼写）

2 . Matthew got annoyed, saying it wasn't his fault if he couldn't play as well as Andrew, and ________ Andrew shouldn't talk to him in this manner. (用适当的词填空)

3 . While this kind of humour may sound cruel, it usually only works if both the comedian and the audience_____________or admire the person being made fun of.(根据句意填空)