has been working 和was working有什么区别

has been worked和has been working的区别 has been working 和was working有什么区别 She has been working for 20 hours has been working on his degree是什么意思 He has been working here.为什么要用working? 关于被动语态的题目求解eg.What kind of advice ______ you?A.has gave B.was gave C.had been given to D.has given正确答案为什么不是B呢?eg.The slave _____from morning till night.A.made to work B.was made working C.was made worked D.wa 哪个对have she been working fou 1hour?/has she been working fou 1hour做否定回答呢 he()in the laboratory the whole morning.A.has been working ,B.is working,c.has worked have been 和 has been的区别 has been和have been区别 英语,has been和 had been John has been working on the essay whole afternoon and he still( Ahas been B does C has DisJohn has been working on the essay whole afternoon and he still( Ahas been B does C has Dis has left 和 has been away from has been to 和has gone to 英语Has been to 和Has been in 怎么用? has been losing和has been lost的区别 has been to和has been in 的区别 has been done 和has been 区别是什么