None of these social probiems is ( )(独有的）to this country.填什么?

None of these social probiems is ( )(独有的）to this country.填什么? none of these materials are conductors. none of these fields are changeable是什么意思? none of these fields are changable of all these goods these are second to none 翻译 为何用none none of this 还是none of these啊求真相!经常看到用none of this 的 什么时候用none of this,和none of these怎么区别 English is the first language in none of these countries Its none of your busines!These are private None of these,however,is ruining anyone's none of these pen是对的吗书里看得原句none of these pen work,这话对吗 None of these women is a doctor为什么要用none none of none of none of these would be of any use unless there was a market怎么翻译呢 however,none of these have done much more than scrape the exterior of this gigantic operation. ___ these models several were exciting,____ of them exactly right．a、Ofb、 none of which c、Amongd、 none of whiche、Off、 none of themg、Amongh、 none of them He said that none of these differences is really impornt.请翻译,