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EK 1일3문독해
2026.1.8.
2026.1.8.
1. For thousands of years, humans have been concerned with finding better ways to heat houses.
*. be concerned with : ~에 관심이 있다.
ex)We should be concerned with the reality.
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2026.1.8.
1. For thousands of years, humans have been concerned with finding better ways to heat houses.
*. be concerned with : ~에 관심이 있다.
ex)We should be concerned with the reality.