Effectively study the past year's civil servant English (national, Seoul, court, etc.) exam questions repeatedly through OX.
This is an educational app for studying.

The administration updates the latest exam questions every year, and all past exam questions can be answered through the in-app community.
You can get answers from administrators or experts.

Not only can you make progress through unit-by-unit learning, but you can also compare your ranking with other users through ranking competitions, and if you reach a high ranking, you can
Various benefits are provided along with the title name.