Because he did a very poor job and came up with bad results, his boss felt that he hadn‟t ________his responsibilities.
句意： 因为他的工作很糟， 结果很差， 他的经历觉得他辜负了他的责任。 live up to不辜负； 做到； 实践。 put up with忍受； 容忍。 look forward to盼望，期待。 go in for参加， 从事； 追求。