They have been work hard over years.这个句子是什么巨结构,成分分析一下

Where have they been? They have been work hard over years.这个句子是什么巨结构,成分分析一下 They have been bargaining over work rules and staffing requirements那个staffing requirement的意思 Could have been who helped Suny get her work done?Could have been who helped Suny get her work done?A they...it B they...them C it...them D it...they选什么？为什么？ They have a____ been there 8.Could __ have been ____ who helped Sunny get her work done?A.they ,itB.they ,themC.it,themD.it,they为什么不是其他选项?尤其是C? Could _ have been _ who helped Sunny get her work done?A.they ,it B.they ,them C.it,them D.it,they 答案是 D为啥? 英语题目AB有何区别The work()ahead of the schedule,they went to the seaside to have some fun.A.had been finishedB.having been finished. i have neve been late for work为什么用been she must have been forty.变反意疑问句!They must have seen the film.反意疑问句The old man must have been a Swedish.否定句My father must have gone to work.反意 They have ______(little) work to do. They have ________(little) work to do. what have they been doing 是什么时态 What places have they been?怎么翻译? where have they been?是现在完成时吗? they have been in kate's for they have been the subject of debate they have been acting up more lately