Who are you?

Who read that book?

Who read that old book?

Anyone can solve this problem.

We have decided to start sales on credit.

From his story, I concluded that he was involved in the incident.

Who would want this product, seriously?

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

My father works at the local credit union.