My calculations were based on the ________ that house prices would remain steady.

Hiking by oneself can be _______ and good for health. It may also be good for_______ training.

Managers in excellent companies have a strong _____ for doing things rather than talking about situations.

Nowadays, few people form the habit of keeping the habit of candles in the house in case of  power      .

_______ refers to books and stories about imaginary people and events, rather than books about real people and events.