1.(1)Although the candidate promised both to cut taxes and improve services,he failed to keep either of them after the election (2)就把(1)的promised改成made promises 结果(2)对那(1)哪错了?2.Although she considers her chemistry research complete,she has needed her professor's advice and is conducting three additional experiments.结果是No error.可has needed 和 is conducting 不是不平行吗?