Do you want to have a big adventure(探险)with no big dangers? Try letterboxing. It's really {#blank#}1{#/blank#}(excite).

    Letterboxing began {#blank#}2{#/blank#} England in 1845. It was like hiking and exploring with a special adventure. Someone{#blank#}3{#/blank#} (make) a letterbox -- a small box with a little notebook in it. The person hid the letterbox in a park, a forest, a city or other {#blank#}4{#/blank#}(place). Next, the person would write directions(方向) to the box， {#blank#}5{#/blank#} put the directions on the internet. Then letter boxers used {#blank#}6{#/blank#}(they) to look for the letterbox.

    Letterboxing might not be as popular as skydiving or rock climbing, but it's a great activity. It's {#blank#}7{#/blank#} exciting outdoor adventure. And it's very cool {#blank#}8{#/blank#} (open) a letterbox and know that no one else found it! There {#blank#}9{#/blank#}(be) now many different kinds of people can have great fun enjoying these activities. {#blank#}10{#/blank#} you have never done letterboxing before, you can give it a try.