I gargle every day to prevent catching a cold.

I gargle every day to prevent catching a cold.

I like to read books at home on rainy days.

Rainy days make me feel down.

Please fill in this hole.

Ancient people looked up at the sky and observed the movement of the stars.

This wildfire burned down the entire forest.

The rain, lasting for more than ten days, caused the entire town to be flooded.

Mr. Amano is my best friend.

The sky was threatening, so I decided to go out with an umbrella.