句型：What subject do you like? — 英语填空题
题目
以下是Tom和Miss Li的对话，请根据对话内容完成句子，每空一词。
Tom: Good morning, Miss Li!
Miss Li: Good morning, Tom! ___ subject do you like?
Tom: I like English. It's fun. And you?
Miss Li: I like music. We can sing nice songs in music class.
请补全对话中的问句：___ subject do you like?