2 Match the sentences with activities from Exercise 1. a You do this before nighttime. You sleep there. b You need to do this before you light a fire. c You need to find trees with apples, pears, etc. to do this. d You need to do this to see different places and where they are. e You do this to know which way to go. f You do this to keep warm and to cook. g You do this when you are hungry or thirsty.

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