His belief was firm, and no one could shake it.

Kyoko is my best friend.

An earthquake occurred, and the strong shaking shook the entire house.

We are participating in local mutual aid activities.

We will co-sponsor this event with the city.

I think these teaching materials will be very useful for the students.

Humans and nature should coexist.

We decided to struggle together against the difficulties.

He picked up the shell that was lying on the ground.

For the success of this project, augmentation of the team is necessary.