The employment advertisement has been posted for half a mont

The employment advertisement has been posted for half a mont The meeting has been on for half an hour.(划线部分提问,划for half a The advertisement has been heard________five times a day,whi A snow w_ has been posted already The fish(has been dead)for two hours and a half.为什么不用has die 1.the film __ for half an hour.A.bagan B.has been on C.have My sister has been in America for half a year.She _____ the Lucy has been in the phone for half an hour. He has been here for two and a half year My cousin has been in Sydney for half a the advertisement has been heard ____ five times a day ,whic 一道英语选择题,快哈My uncle has been in the USA for half a year.He {