He answered wrong in the test.

Please remove the core of this apple.

The leaf of this tea plant is vividly green, isn't it?

The Great Kanto Earthquake occurred in 1923, and many people were affected by it.

He dreams of becoming a champion in mixed martial arts.

He became the champion of the mixed martial arts competition.

He is the champion of the stone, paper, scissors game.

The single transferable vote is an important means to ensure the fairness of elections.

Demography is an important tool for understanding various aspects of society.

His efforts were like a mantis trying to stop a chariot, he couldn't achieve any results.