I was able to understand his story almost completely.

Can you answer this question?

Would you like to observe the stars at the observatory tonight?

He is observing stars at the observatory.

He was able to grasp the gist of the story quickly.

He always acts with high morals.

I was able to understand the general idea of his story.

The view from the rooftop is wonderful.

Moral harassment is harassment rooted in taking the moral high ground.

Because he was sick, I attended the meeting as his substitute.