According to the latest public opinion poll, his approval rating is falling.

We started an investigation into the incident.

He loves Japanese language class.

I am studying Korean language.

Public opinion has a big impact on politics.

Public opinion has a big impact on politics.

He can speak five languages.

According to the latest public opinion poll, it has become clear that many people are in favor of environmental protection.

He was newly promoted to corporal.

My Japanese language teacher is very strict.