I'm sleepy, so I'll go to bed early.

He practices every day to polish his skills.

He visited his grandfather's gravestone and prayed.

He kept running without looking back at the road.

He was beating the drum.

We will use cadmium in this chemical experiment.

He is my benefactor, he helped me in my difficult times.

In order to keep the secret, he said, 'One word too many will be the end of me,' and didn't say anything.

I've helped him many times, so if you show someone favor, they will return it. I'm sure he will help me too.

The evening primrose is a beautiful flower that blooms at night.