Driven by __________, I asked the interviewee a personal question, which made him quite surprised.

The old man got into the _____ of storing money under the bed. 

I don’t know for sure how many of you would like to settle here ---- it is a(n) ______ of   personal preference.

One of the advantages of living on the top floor is that you can have a good _____ of the city．

Nowadays, a growing group of dieters are trying extreme calorie _____ for a long life by eating less food.