People complain that decisions to approve or deny a permit are often ______ rather than based on fixed criteria.

—The company has been performing poorly during the past few years.—In my view, it needs to _______ its image.

 You needn't have apologized for your absence—________， it's hardly your fault.

When will the government ______ its position on equal pay for equal work for woman?

He _____ some safety measures at the meeting for the 2010 Shanghai Expo.