医院必须为其错误承担责任。

Hospitals must be held ___accountable for their mistakes.

政治家应该对选举他们的公众负责。

Politicians should be ___accountable to the public that elects them.

应当有一个人对我们的投诉负责并方便我们联系。

There should be a person who is held ___accountable and accessible to our complaints.