has been on the phone for several hours

The BBC has been on double secret has been grown 是什么时态Many new buildings has been grown up on the Huangpu River. The film has been on for five minutes是什么意思 has been on the phone for several hours Tom has been on the island since two years.(改错) The flim has been on for 30 minutes同义句 The parade has been on for about an hour.翻译 How long has the hous been on fire 292.The film ______for five minutes.A.has begun B.had begun C.has been on D.had been on The meeting ___when I got there.A has begun B has been on C had begun D had been on A heated debate has been going on for and finally an agreement has been reached on the practical 翻 the tv show__for ten minutes when i turnded on tv A had been on B has been on When I got to the theatre ,the movie _____ for twenty minutes.A has been on B had been on 是There have been 2 pictures on the wall.还是There has been 2 pictrues on the wall. the class -t-for 15 minutes.A:has begun B:has been on 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 The Wo Ju has popular been on TV in China.这句话has been 用的是什么语法结构 请问：the meeting has been on for over ten mimutes.中为什么加ON?