The film has been on for half an hour.（改为同义句）

The meeting has been on for half an hour.（改为同义句） The meeting The film has been on for half an hour的同义句 the film has been on for over an hour 改为同意句 the film （）over The film has been on for half an hour的同意句 1.the film __ for half an hour.A.bagan B.has been on C.have The film began half an hour ago.(改为同义句） The film ____ ____ _ The film has been on since half an hour ago.（对划线部分since half The film finished half an hour ago.（改为同义句） The film has been on for an hour It ___half an hour ____the The film was on half an hour ago.同义句.The film ____ ____ ____ The meeting has been on for half an hour.(划线部分提问,划for half a Lucy has been in the phone for half an hour.