18. It isn't worth _________ (shout). he won't hear you.

18. It isn't worth _________ (shout). he won't hear you.

Для решения задания необходимо вставить герундий или инфинитив в предложение.

После "worth" употребляется герундий.

It isn't worth shouting. He won't hear you.

Ответ: shouting