If darkness or night_______it becomes dark and day changes to night.

Consultants who have easy access to the president are those who have________ the president.

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Too much computer work _________ the eyes.

This is an opportunity to _______ the reputation of the company.

The new tax caused a huge _______of public anger in America.

There seems to be a lack of _______ among the employees.

Our trade union has _______ the introduction of automation.

Children challenge their parents'_______far more nowadays than they did in the past.

She seemed _______ in her commitment to finish school.

The police have disclosed that two officers are under _______ investigatin.

Staffing is still a relatively unimportant_______compared to the other problems that we're encountering.

The road was closed while the ________ that had been involved in the accident were towed away.