1、There are extra flights to Colorado during the winter.
2、He was taken to the hospital during the night.
3、I use the Internet at work, during my lunch hour.
4、I stalled the car three times during my driving test.
5、Black walls absorb a lot of heat during the day.
6、Use of computers spread rapidly during that period.
7、He met a lot of interesting people during his life as a student.
8、Many jobs in manufacturing were lost during the recession.
9、Many Irish people went over to America during the famine.
10、Please make sure all mobile phones are switched off during the performance.