选用方框内合适的短语，并用其正确形式填空（每个短语限用一次）
in vain , get through, out of order, team up with, cast down, |
（1） I couldnˈt ________________ to my mother yesterday and there might have been something wrong with her mobile phone.
（2）Because the lift was ________________, we had to walk up the stairs.
（3）Sam was ________________ at the news of his auntˈs disease, so itˈs a comfort for him to know she is safe.
（4）All the doctorsˈ efforts were ________________ and the man soon died.
（5） The university is ________________ a school in England for the research project.