modern great socialist 这三个词怎么排列

modern great socialist 这三个词怎么排列 we don't know how the a ______ Chinese people built the Great Wall without modern machines Air pollution is one of the major problems of the modern world.A great deal of energy is needed to Air pollution is one of the major problems of the modern world.A great deal of energy is needed to To build such a great wall our modern machines is hard.请问 怎么填 第一空 用with 还是 without Modern medicine has made great ( )to the health and welfare of mankind.A.distributions B.contributions C.attributions D.tributes modern agriculture modern是什么意思 modern fashion modern realism the modern 翻译modern great great great Great great Great