"The party has finished for half an hour"这句话错在哪了,怎么改?

"The party has finished for half an hour"这句话错在哪了,怎么改? 英语改病句 The film has begun for half an hour when I got to the Lucy has been in the phone for half an hour. Tom has got up for half an hour 错在哪儿? The meeting has been on for half an hour.(划线部分提问,划for half a The party will be on for half an hour .的中文翻译 by this time tomorrow we have finished the work.这句话哪错了?怎么改? It's healthy to exercise for half an hour.这句话有没有语病?若有,请帮忙改一下 Mary spent half an hour on play the piano 这句话不对吗?应该怎么该? The meeting has been on for half an hour.（改为同义句） The meeting 1.the film __ for half an hour.A.bagan B.has been on C.have The film has been on for half an hour的同义句