_____ we were camping , we met lots of people., While, When, We met lots of people _____ we were camping., while, when, ____ I saw a bear , I was hiking, while, when, I was hiking ____ I saw a bear., while, when, _____ we were rafting, we were wearing life jackets., while, when, _______ we camped , we saw lots of people, while, when

while vs when

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