As we all know,waste water and gas______(对...有不良影响）the environment为什么用have而不用has,waste water and gas不都是不可数名词吗?

as we all know . as we all know是什么意思 as we all know的近义词? as we all know同义替换 As we all know,earthquakes are (destroy). As we all know,waste water and gas______(对...有不良影响）the environment为什么用have而不用has,waste water and gas不都是不可数名词吗? As we all know,we are what we eat? as we all know能放在句首么就是AS we all know ,XXXXXXXXXXXXXXXX As all we know 还是As we all know 正确啊,求高手解答.. as we all know中的as是什么词性? we all know that we should not waste timeA.any more B.no more C.no longer D.any long As we all know,light (travel)faster than sound As we all know,light_(travel)faster than sound. as we all know=什么好像是什么knowleage As we all know,pandas are ________ in China. As we all know,waste water and gas______(对...有不良影响）the environment横线中答案给的是“have a bad effect on,可是我认为“waste water and gas“是一件事情所以应该属于第三人称单数后面的“have”应该改 As we all know we should study hard._______ _______ _______ that we should study hard. 英语翻译as we know