1.

Being an air traffic controller can be very ... .

STRESSFUL

2.

The time spent on board the cruise was very pleasant and  ... .

RELAXING

3.

Paramedics have a  ... career.

REWARDING

4.

A  ... proficiency test requires full use of your abilities or resources

CHALLENGING

5.

Director Bullock made several  ... movies.

SUCCESSFUL

6.

Dr. Koussevitzky made a  ... speech.

PRAISEFUL