There's an empty holder behind the toilet, but where's the toilet brush gone?

How to say “There's an empty holder behind the toilet, but where's the toilet brush gone?” in Japanese

In Japanese

便器(べんき)の後(うし)ろに空(から)のホルダーがあるのに、トイレブラシはどこへ行(い)ったの？

Benki no ushiro ni kara no horudā ga aru noni, toire burashi wa doko e itta no?

There's an empty holder behind the toilet, but where's the toilet brush gone? in other languages