I`m curious about the だ copula in this question. Is it actually okay to ask a question in this way? The way I understood The Basics section, だ is never used at the end of questions.
What about these alternatives? Are they okay? How are they different?
（A） アリスはどこだ？- Where is
（A） アリスはどこだ？- Where is Alice?
I`m curious about the だ copula in this question. Is it actually okay to ask a question in this way? The way I understood The Basics section, だ is never used at the end of questions.
What about these alternatives? Are they okay? How are they different?
アリスはどこの？
アリスはどこだの？