山洞的：I will prepare a bottle of water, some dry food, in case that I feel hungry, and tired. Also i will prepare a torch so that i can see around in the dark. the most importent, i will go with my friend and let my parents know my plan. So I will be not alone in case of danger. 山洞的：I will prepare a bottle of water, some dry food, in case that I feel hungry, and tired. Also i will prepare a torch so that i can see around in the dark. the most importent, i will go with my friend and let my parents know my plan. So I will be not alone in case of danger.