Who finished (off [up]) the cake?
ケーキを食べたのはだれだ
Who goes there? Friend or foe?
だれだ，敵か味方か
Who in the world is he?
彼はいったいだれだい
Who in their right mind would ever vote for him?
あいつに投票するなんて，正気ならだれもしない
Who is it?＝Who's there?
（ドア越しに）どなたですか（◆Who is it?は電話では「どちら様ですか」の意味になる）
Who is next in line to the English throne?
だれが次に英国の王座につくのですか
Who is on the other end of the phone [the line]?
どちら様ですか
Who is the best prospect for ...?
…の一番候補はだれだ
Who is this, please?
（電話で）どちら様ですか
Who is to blame for his death?
彼が死んだのはだれのせいだ
