He spent the whole day playing games without leaving his house.

He came out of the room and started running immediately.

His face is very expressive.

His face looked very serious.

When I looked at his face, I felt something was wrong.

He decided to appeal to the court to protect his rights.

We are part of the solar system.

We are part of the solar system.

The sunlight poured into the room, making it very bright.

We use the solar calendar.