阅读下面的材料，在空白处填入一个适当的词，或填入括号内所给单词的正确形式（每空最多不超过三个单词）

    A king had two sons and asked famous teachers to teach them. After a few {#blank#}1{#/blank#}(year), the king fell badly ill. So he wanted to choose one of his sons as the next king, but which one would be the right person? He thought it over {#blank#}2{#/blank#} a whole night. At last, he decided {#blank#}3{#/blank#} (test) his sons.

    One day, he gave a room to each of {#blank#}4{#/blank#} (they), You must fill the room completely (完全地) with anything you wish. But there should {#blank#}5{#/blank#} (be)no space left and you can't ask for advice from anyone!"

    The next day the king {#blank#}6{#/blank#}(visit) his elder son's room. The room was completely filled with grass. The king felt sorry about it. Then he went to {#blank#}7{#/blank#}other room, but it was closed. His {#blank#}8{#/blank#} (young) son asked him to get in and closed the door again. It was dark everywhere, so the king shouted at him {#blank#}9{#/blank#} (angry), But suddenly the second son lighted a candle and the room was full of light. The king felt very excited and hugged him proudly.

    He realized: Wisdom(智慧) is more important than simple answers {#blank#}10{#/blank#} are easy to get.