1.   The school trip has become an annual event.

2.   A year ago, a theoretically simple trip became a nightmare.

3.   But because of the fare increase, he fears those trips will become fewer and far between.

4.   But the trip became harder to schedule.

5.   By now, after more than five hours on the rails, the trip has become a bit grueling.

6.   Enter the cell phone, and a simple trip became a minefield of little emergencies.

7.   Erdly hopes the Washington trip becomes a tradition.

8.   Has your latest trip become more of a vent rather than an event?

9.   He said that the trips have also become a selling point for colleges.

10.   My little trip suddenly became both frivolous and absolutely crucial.