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dido4
02-24-2006, 12:53 AM
Which one is correct?

They made some friends in / on summer vacation.
justlovelyfriends
02-24-2006, 04:11 AM
I think this one is correct.

They made some friends on summer vacation.
Temico
02-24-2006, 09:50 AM
Which one is correct?

They made some friends in / on summer vacation.

The made some friends in/during the/their summer vacation.