Why people keep pet fish这个句子是陈述语序吗?为什么?我怎么觉得是疑问呢

Why people keep pet fish这个句子是陈述语序吗?为什么?我怎么觉得是疑问呢
Why people keep pet fish这个句子是陈述语序吗?为什么?我怎么觉得是疑问呢

Why people keep pet fish这个句子是陈述语序吗?为什么?我怎么觉得是疑问呢
Why people keep pet fish是陈述语序,常用在从句中或用于文章标题.Why do people keep pet fish 才是疑问语序.

Why do people keep pet fish?是疑问。
这里why前面因该有其他的意思，比如说I always want to know why people keep pet fish.这就是陈述句了

Why people keep pet fish是陈述语序，常用在从句中或用于文章标题。Why do people keep pet fish ？才是疑问语序。