Anonymous leaked through the/a concrete wall the (probably only ) concrete wall in the building a concrete wall (=one of the concrete walls in the building) Both are possible and correct. CJ
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Anonymousleaked through the/a concrete wallthe (probably only) concrete wall in the building
CalifJimthe (probably only) concrete wall in the buildinga concrete wall (=one of the concrete walls in the building)Both are possible and correct.CJThank you! Straight and to the point! Perfect! Thank you!