「誰がその箱に入れたの？」
= だれがそのはこにいれたの？
= Dare ga sono hako ni ireta no?
= Who put you in the box?
「自分で入ったの。」
= じぶんではいったの。
= Jibun de haitta no.
= I got in by myself.
How to use the verb 持つ = もつ = motsu
「レシートお持ちですか？」
= Reshiito omochi desu ka?
= Do you have your receipt?
「はい」
= Hai
= Yes, I do.