The landlord will shut off the heating system in the entire building in order to determine why some floors are not being properly heated.
여기서 맨뒤에 are not being은 무슨 형태로 쓰인거져?
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The landlord will shut off the heating system in the entire building in order to determine why some floors are not being properly heated.
여기서 맨뒤에 are not being은 무슨 형태로 쓰인거져?
1
