Where is ~?
地下鉄の駅はどこですか?
Where is the subway station?
入口・出口はどこですか?
Where is the entrance/exit?
トイレはどこですか?
Where is the restroom?
Why is he/she so~?
どうして彼はあんなに意地悪 (mean) なんだろう?
Why is he so mean?
どうして彼はあんなにケチ (stingy) なんだろう?
Why is she so selfish?
どうして彼女はあんなにわがまま (selfish) なんだろう?
Why is so stingy?
How~? 方法
どうやってここまで来たの?
How did you come here?
彼はどうやってそこに行ったの?
How did he get there?
Which~?
どれですか?
Which one?
どっちが良い?
Which is better?
何階ですか
Which floor?
どっちが面白いですか?
Which is more interesting?
どっちが高い(高価）ですか?
Which is more expensive?