had been done和 had done有什么区别呢?

had been done和 had done有什么区别呢? 英语had done 和had been done区别 what had been done had been done. had been doing 和had been done有什么差别 had been doing 和had been done有什么差别? had been doing 和 had done的区别 had been done 怎么用? My work ___,I went home.A.had been done B.done C.having done D.to be done has been done,had been done 的区别是什么? had been done 用于什么时态? Much___to fight against pollution.A.have been done B,has been done C,had been done D.has done为什么是选B? 英语一道完形填空The strange Dr had been loved by someone:he had given his life,as Charley_____,for a cause he believed right.A./ B.had been C.had D.had done本题选C,答案说代指had given his life,但我选了D,请问D和C有区别吗?或 has/had been gone和has had been done的区别是什么啊 我要疯了.做题总错 had have done 和had done怎样区分? the work _ by the time you get there.A.will have been done B.is done C.had been done D.would have done the work _ by the time you get there.A.will have been done B.is done C.had been done D.would have done I think I have tried my best.All that can be done ___.A.has done B.has been done C.had done D.had been done为什么选B不选D 英语时态区分have done .have been doing.had done.had been doing.有什么区别.