The police used fingerprints to identify the criminal.

In physics class, I learned about standing waves.

We set up a mortgage to buy a new house.

I am planning to go to the prefectural office tomorrow.

Chouko is embroidering.

What is at the bottom of this lake?

His private residence is on top of the mountain.

Tadashi will take an English exam this weekend.

The protagonist of this novel is a character who unlocks the lock of the key.

Excuse me, may I come in?