----- Nội dung ảnh ----- Making a fire is a skill. And it is
easy to learn. You won't need (29) ______ practice before you can make a campfire. Start with (30) ______ paper and leaves. Place the wood on top of these. Don't use (31) ______ big pieces of wood. Just put two or three big pieces over the sticks and keep the rest for later.
