She is always badmouthing people behind their backs.

The reflection of the mountain on the lake is beautiful.

We have been working on this project for ten months.

He is completely nowhere to be seen.

The destruction of the ozone layer has a significant impact on the Earth's climate.

The cytosol is the liquid part inside the cell, and many enzymatic reactions occur here.

His son is undergoing treatment for blastoma.

His son underwent surgery for blastoma.

He was walking along the beach wearing a straw hat.

My four treasures of the study are a fountain pen, a pencil, an eraser, and a ruler.