21.   Bangladesh is a riverine country and boats are the most preferred mode of water transport.

22.   Disagreements are seldom discussed in an open and frank manner as avoidance is the preferred mode for resolving conflict.

23.   My family had determined that flying, as a woman traveling alone, was safer than train, the preferred mode of transportation for Indian tourists.

24.   Yet even in Washington passenger train service is only a glimmer of what it once was, before highways and air routes became the preferred modes of travel.