it's a pity 为什么pity要加a,it's a help和it's a pity是一样的形式吗?为什么有的名词可以直接It's n.不用带数.

a pity it's Sunday. it's a pity 为什么pity要加a,it's a help和it's a pity是一样的形式吗?为什么有的名词可以直接It's n.不用带数. It's a pity that know you. it's a pity 什么意思 It's a pity that you are that's a pity It's ____that China hasn't used the Maglev Train_____.A.a pity;widelyB.pity;widelyC.a pity ;wideD.pity;wide Pity that it’s not what's a pity和it's a pity——a pity you missed the leture made by Professor Song.A.what's B.it's选哪个,为什么呢? it's a pity that she _ the game.填什么,为什么填这个 Pity what a pity 和 it is a pity 的区别 lt's a pity that必要时是否要换成lt was a pity that It is a pity.（感叹句）------ ----- -----. but it is a pity that...yisi what a pity为什么有 whot a we all thought ___that the football match should have been put off.a it a pity b it pity c what a pity d a pity is it's a pity 可以省略成pity that.那是不是类似的短语,比如it's an honor that 也可以省略成honor that