请问是She has arrived there just now ?还是She arrived there just now? 请说明理由

请问是She has arrived there just now ?还是She arrived there just now? 请说明理由 Tom has just arrived,but I didn't know he ___ until yesterday.(come)时态填空.答案是would come,请问为什么 Do you know( )she has arrived?可以填that吗 she has just arrived ------USA.用from还是 in? 请问she's 可以等于she has She has arrived怎么改为一般疑问句并做肯定回答 the moment he has arrived,标题句中he has arrived是作同位语还是定语修饰moment? ——Has helen arrived yet?——Yeah,but I didn`t know she——until yesterdayA.will come B.is coming C.came D.was coming she has everything that i don't James has just arrived,but I didn't know he came until yesterday 正确答案是James has just arrived,b回答：he came是他来了,昨天他还没来呢,他要来而已疑问：上面回答的意思是他昨天没来,这个信息是从james has jus 求解反意疑问句语法题11.John has to get up early,________?A.has he B.hasn’t he C.does he D.doesn’t he 12.She has got to get everything ready,_________?A.hasn’t she B.has she C.doesn’t she D.does she 答案是11D12A,为什么一个是 .到底是does she 还是 has she. 是she have 还是she has she has been to Japan,hasn't she 翻译：She has milked a cow before ,hasn't she She has two brothers,doesn't she?回答并翻译 James has just arrived,but I didn't know he came until yesterday正确答案是James has just arrived,but I didn't know he was coming until yesterday上面我写的为什么不对为什么不能用came回答：he came是他来了,昨天他还没来 一、反义疑问句They will be here tomorrow,（ ）（）?These men arrived yesterday,（）（）?That old man （ ）retired yet ,has he?（为什么has he划线）She （） leaving when you came,wasn't she?（最后两个还划线）You can c