新概念英语第二册20课:why is fishing the writer's favourite sport.

问题描述:

新概念英语第二册20课:why is fishing the writer's favourite sport.
为什么不能写成:why fishing is the writer's favourite sport.

疑问句需要倒过来写:
Why is fishing the writer's favourite sport?
做从句用陈述语气才用正常语序:
I don't know why fishing is the writer's favourite sport.