Words In Context Practice Test

Which choice completes the text with the most logical and precise word or phrase?

A technology columnist praised a new smartphone feature that summarizes long messages, calling it a relief for busy readers. But the columnist also noted that the summaries sometimes omit crucial caveats, changing the tone of the original text. The tool is convenient, yet its accuracy remains _______ and should be checked before acting on it.

Which choice completes the text with the most logical and precise word or phrase?

When the company announced a four-day workweek, employees celebrated the promise of more personal time. After three months, productivity metrics held steady, but managers observed that meeting schedules had become tighter and less forgiving of delays. The policy’s success appears _______ on careful coordination rather than on enthusiasm alone.