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He became good at playing the piano, and finally acquired the skill.

He was so ashamed of his failure that he wished he could crawl into a hole.

Due to the earthquake, cracks appeared in the wall.

This information sank in immediately.

His cooking skills are among the top five in the local area.

When will you go to Japan?

When are you going to Japan?

He will help at any time.

In ancient castles, there was a '候' set up to monitor the movements of the enemy.