She was thinking with her hand on her forehead.

I plan to go to graduate school next year.

This is an important problem.

Modern technology is advancing at an astonishing rate.

That proposal is completely unthinkable.

That movie contained many anachronistic elements.

This movie has many anachronisms, and it feels strange from a modern perspective.

My bed is very comfortable.

What is the title of this book?

This is a once-in-a-lifetime opportunity.