it is,it was,it will be,it won't be 有什么区别怎么用it引导的强调句型的概念是什么 能不能用it was 或者其他词引导 悬赏分蘖数已经提高了

what it was or what it will what is it,which will be tomorrow and was yesteday? 造句：1、It is +adj.+to do.2、It was +adj.+to do.3、It will be +adj.+to do. as it is/was是什么意思 Was it worth it? ( ),there is no school.A、it is sunday B、it was sunday C、it will be sunday D、it being sunday Look The tree is growing well.When -Three years ago.A.was it planted B.did it plantC.will it be planted D.is it planted.选哪个 it is cold与it was cold问What day is it回答 It is cold还是 It was cold it will be (rain) than it was yesterday Was it It was IT WAS it was It was it is,it was,it will be,it won't be 有什么区别怎么用it引导的强调句型的概念是什么 能不能用it was 或者其他词引导 悬赏分蘖数已经提高了 （ ）,there is no school.A.It's Sunday B.It was Sunday C.It will be Sunday D.It being Sunday想知道为什么 It was very hot yesterday.So( ).And so ( )today.A.it was ;it is B.was it,it is C.it was,is it D.was it,is it 强调句it is（was) .that/who,其中it is（was)能不能写成it's/it was不能缩写么?