For the next two months, the groups switched cheeses.
The aide asked if the group would switch its meeting to the evening because the president dislikes early morning events.
When only one remained on the platform, the groups switched places.
A group of servants switch places with the aristocrats they work for.
The groups switch courses on Saturday and play a second round of golf.
Only one prisoner can be freed at a time, and after an entire team has been captured, the two groups switch roles.
The two groups switch, and in the morning they all pick up their drugs.
Since the 1980s, the two groups have switched places.
When they're done, the two groups switch places and start over.
After 45 minutes, the two groups will switch places.