theories about the end of the world on December 21,2012,___on the Mayan calender.a,basing b.based c,having based d,to base说是过去分词表伴随,但我觉得根据句意,为什么不选c,表现在分词表伴随呢?明明是主动的意思.求

theories of/for/about the origin of the universe选那个介词对? scientists have many theories about how the universe___into being.A.came B.was comingscientists have many theories about how the universe___into being.A.cameB.was comingC.had comeD.would come为什么不用comes不是客观事实嘛?、 Scientists have many theories about how the universe ______into being.括号里填had come 还是came.为什么? Scientists have many theories about how the universe first came into existence帮忙翻译下这句话,谢 scientist have many theories about how the universe [ ]into being.Acame Bwas coming c had come Dwould come Scientists have many theories about how the universe into being.A. came B. was coming C. had come D. would come Scientists have many theories about how the universe _______ into being 为什么此处要用was coming 而不用would come最好具体一些 Scientists have many theories about how the universe _______ into being .A.came B.was coming C.had为什么选A Scientists have many theories about how the universe _______ into being .为什么选B?Scientists have many theories about how the universe _______ into being .A.came B.was coming C.had come D.would come是因为宇宙是从很久以前开 英文课本里的一句话,不太明白语法,He had theories about almost any subject under the sun ,including vegetarianism ,the drama,politics,and music; and in support of these theories he wrote pamphlets,letters,books…thousands upon thousands 英语翻译完整的句子是Given their implicit theories about the effects of initiation and consideration,the raters saw the supposedly effective leader as higher in both.请问如何翻译 HAPPINESS THEORIES OF THE GOOD LIFE怎么翻译 what is the e-mail about? Scientists have many theories about how the universe ____into bing.A:came B:was coming C:had come D:would come 为什么啊,D为什么就不可以呢! Scientists have many theories about how the universe _______ into beingA.came B.was coming C.had come D.would come请详细解释下BCD为什么不选? 请帮忙分析,为什么Many theories concerning the causes of...请帮忙分析,为什么Many theories concerning the causes of.中,concerning要用ing形式 英语翻译before he would make any reference to the solar explosion,he insisted on evaluating theories about the moon's origin,criticizing predictions that the moon would move closer to the earth,and presenting argument that the sun was slowing dow 看看这句话是不是用错词了?There are many theories about the beginning of drama in ancient Greece.The on most widely accepted today is based on the assumption that drama evolved from ritual.The on most widely 的on 是不是one 呀?这是