SOS!at a loss后面可以加名词吗?When I saw that the house was on fire I was at a loss+what to do这种表达可以吗?at a loss后面可以再接名词（或名词性从句）吗?还是表达成：at a loss of what to do?

SOS!at a loss后面可以加名词吗?When I saw that the house was on fire I was at a loss+what to do这种表达可以吗?at a loss后面可以再接名词（或名词性从句）吗?还是表达成：at a loss of what to do? be at a loss 后面加什么 keep myself at a state of calm and peacefulstate可以这样用吗?还是后面应该加名词? at a loss for what to do ,at a loss what to do都可以吗? at a loss many a后面可以加不可数名词吗? a sort of 后面加可数名词还是不可数名词 还是都可以加.. we are at a loss why.rt,at a loss后面的why是引导什么从句,是作loss的同位语吗? 介词短语,on in at 等方位性的介词后面可以加那些名词 be talented at后面加什么,加名词吗 make sb.后面可以加名词吗 hope后面可以加名词吗? more后面可以加不可数名词吗? 副词后面可以加名词吗rt other后面可以加名词复数吗 keep 后面可以加名词么 不定式后面是否可以加名词 及物动词后面是不是直接可以加名词