Поставьте где нужно must, mustnt use must or must to fill in the gaps 1.when you leave the hiking camp you leave a fire. 2.when you go down a slippery road you be careful 3. when the weather is very hot you wear hats 4. when you go by boad you load it with to many things 5. when you are on an island you keepit tidy. 6. when you are in the mountains you throw stones