Stonehenge, a rock circle, is not only one of Britain's most famous historical places but also one of its greatest mysteries. Every year it{#blank#}1{#/blank#}more than 750,000 visitors. People like to go to this place especially in June as they want to see the sun rising on the{#blank#}2{#/blank#}day of the year.

    For many years, historians believed Stonehenge was a temple where ancient leaders{#blank#}3{#/blank#}to communicate with the gods. However, historian Paul Stoker thinks this can't be true because

    Stonehenge was built so many{#blank#}4{#/blank#}ago. "The leaders arrived in England much later," he points out.

    Another popular idea is that Stonehenge might be a kind of calendar. The largest stone were {#blank#}5{#/blank#}together in a certain way. On midsummer's morning, the sun shines{#blank#}6{#/blank#}into the center of the stones. Other people believe the stones have a medical purpose. They think the stones can{#blank#}7{#/blank#} illness and keep people healthy. "As you walk there, you can feel the energy{#blank#}8{#/blank#}your feet move up your body," said one visitor. No one is sure{#blank#}9{#/blank#}Stonehenge was used for, but most agree that the position of the stones must be for a special purpose. Some think it might be a burial place{#blank#}10{#/blank#}a place to honor ancestors. Others think it was built to celebrate a victory over an enemy.

    "Oh, poor{#blank#}1{#/blank#}tree!" a bird said," You shouldn't have asked the man to cut down the trees. The tall trees protected you{#blank#}2{#/blank#}you didn't worry about heat or wind and rain. Time went by and you have{#blank#}3{#/blank#}. When you get tall and strong, you can have enough strength to fight against the Sun and the storms. So I don't think you should do that."

    After{#blank#}4{#/blank#}the words of the bird, the little tree felt regretful(后悔的).