3 ms·If you are the author: ctrl + F for "I put up a serious of large whiteboards"by MWil 13y agoIf you are the author: ctrl + F for "I put up a serious of large whiteboards"emreas 13y agothx.dllthomas 13y agoMaybe "serious" should be the collective noun for large whiteboards. A murmuraton of starlings, a richness of martins, a wunch of bankers, a serious of large whiteboards...