这个故事讲述了一个生活在海底的巨型怪物。

The story tells of a giant ___monster living under the sea.

人们说在苏格兰的尼斯湖里住着一头神秘的怪物。

People say a mysterious ___monster lives in Loch Ness in Scotland.

在他的梦里，他必须与一只可怕的怪物战斗。

In his dream, he had to fight a scary ___monster.