but none of them has been turned to stone yet.翻译出到目前为止是因为完成时还是因为yet

but none of them has been turned to stone yet 中has been turned every means ___tired to solve theproblem,but none of them worked A has B has been Chave Dhave been But none of them has been turned to stone yet!这句话里none of在这里表示什么意思呢? The old woman has two sons,but -----of them lives with herA.both B.either C.neithet D.none The old man has two children but neither of them lives with him.把 neither of 换成 Both of 或 none of none of them i have a lot of friends ,but none of _ has ever been abroad.A.them B.which C.whose D.whom None of them has come back yet.与None of them have come back yet.有什么区别?谢谢 ( )_ of them has arrived.So _ has come here on time.A.Nobody,none B.No one,nobody C.None,every one D.None,none but none of them has your smile on the twinkle in your eyes or your pink face.的意思?非常真诚地谢谢大伙儿关注! 英语翻译All the four cars are less than two years old ,but none of them as large as Liz has imagined many a program has been developed up to this date,but none of them areeconomical enough to be carried out now.求翻译 but none of them has been turned to stone yet.翻译出到目前为止是因为完成时还是因为yet None of them have(has) lefy .have.has为什么都可以? 英语翻译英语翻译,None of them have (has) cime back.这到底是have 还是has? None of us (has) read the story.None of them (are) my friends.为什么单复数用的不同 】关于have been的英语语法请看这个句子：But none of them 【has been】 turned to stone yet!这里为什么要加been?可不可以【去掉been】为：But none of them has turned to stone yet!have been的实际意思是什么?（简单 l have none of them