1. To be a leader it is not enough to be hard working and knowledgeable; one must also be able to inspire ---- .

2. People who are constantly in the public eye must learn to remain ---- in the face of criticism.

3. As the conditions of the expedition are likely to be severe, you had better take necessary ----

4. He has behaved ---- on many occasions, so this instance of impoliteness is hardly surprising.

5. The ---- concerning total disarmament have broken down without leading any fruitful results.