None of us can be sure___ aliens really exist----填that还是.-----填that还是whether

None of us is perpect,nor can we ever be perfect翻译成中文是什么意思 None of us can be sure___ aliens really exist----填that还是.-----填that还是whether None of us knows （）these new parts can be bought.括号中可以填什么及为什么 can,none,of,afford,us,car,this连词成句 If there is no air, none of us can live.(改成同意句)None of us can live ____ _____. None of the news ____ good news for us. (be) None of us knows whether these new parts can be bought中的bought在此句中做什么成分是谓语还是宾语或者两者都担当 None of us can live without air. 为什么不能写None of us can live no air.在线等！急急急！ Each of us is put here on earth to learn,share,love,appreciate and give of ourselves.None of us knows when this fantastic experience will end．It can be taken away at any moment．翻译 None of us can live on the earth.There is no air.用if写句子 it means none of us can take o_____ books from here.首字母填空 none of us likes poiiution 的意思 none of us likes pollution 英译汉 None of us like music.的意思 none of us know our exam r____ no.none of us has been abroad. There can be miracles when both of us believe 英语翻译Not all of us can afford to be romantic