英语语法What has happened proves that our policy is right.从句做主语,什么是从句?这句话里那部分是主语

The accident ____ on the road last night A has happened B was happened C happene DThe accident ____ on the road last nightA has happened B was happened C happened D has been happend 请帮忙看一个英语语法what characters should a good teacher has?与what characters should a good teacher have?哪个语法是正确的? 一个英语语法问题：不是说of后面是宾语从句么?那么比如the children,each of which has an apple这个each of 后面为什么不是what 英语语法What has happened proves that our policy is right.从句做主语,什么是从句?这句话里那部分是主语 英语语法选择题（06）3（2）2.Even though she herself has never hadsuch an experience,it is______she can recognize from what has happened to hergood friend.A.that B.ine C.such D.all--我选了A, what has she got? What has gone is What has Ted got? 英语语法 2道题1 there's no telling what will happen next you ()tell what will happen next2.she has good reason to get angry with you she () () get angry with you 一个关于英语语法的问题It signals a change in what has,until now,been a key element of scientific endeavor.这里的what引导的是个什么样的从句呢? 英语语法：A modern city has been set up in ____ was a wasteland ten years ago.A.what B.which请问which错在哪里?what和which的选择该如何判断? 英语语法问题.The push by xx ,xxx and his wife xxxxxx is publicising what has been a private matter for many wealthy people .非常不懂啊.那个what 是什么成分?而且 xxxxx is publicising 后面缺少东西啊. 2道英语语法1Do whatever you think is right whatever difficulties you may have.这句话我看不懂 能帮我翻译一下 并且解释一下它的结构么 谢谢2Please tell me______A.what has happenedB.what has been happened to himC.when has h 英语语法 the form of payment has got more guarantee. 英语语法完成时中HAD 和HAS 区别 初中英语语法has been和had been的区别 英语语法 第四题 为什么这句话用has而不是does? 英语语法