阅读下面短文,在空白处填入适当的单词或括号内单词的正确形式During the Mid-Autumn Festival, do you eat mooncakes? Do you know that the history of mooncakes is related to two wars?
In the Tang Dynasty, there was an emperor (皇帝) named Li Shimin. Once, his army won a war and returned {#blank#}1{#/blank#} the Mid-Autumn Day. While Li was celebrating with his army, a Tibetan trader (吐蕃商人) gave him some round{#blank#}2{#/blank#} (cake) as a gift. Li was happy and{#blank#}3{#/blank#} (send) these cakes to his soldiers. {#blank#}4{#/blank#} that, these round cakes became popular. Many people ate {#blank#}5{#/blank#}(they) during the Mid-Autumn Festival. Later, the cakes were named as "mooncakes".
Zhu Yuanzhang was the first emperor of the Ming Dynasty. He ended the Yuan Dynasty through an uprising (起义). When he organized the uprising, it was difficult to send messages {#blank#}6{#/blank#}(secret). One of his friends came up with{#blank#}7{#/blank#}idea. He gave mooncakes with a note hidden inside of them to other people. The note read, "Uprising on the fifteenth night of the {#blank#}8{#/blank#}(eight) lunar (农历的) month." After the {#blank#}9{#/blank#} (success) uprising, Zhu gave mooncakes as gifts to his people. Since then, it {#blank#}10{#/blank#} (be) a custom to eat mooncakes during the Mid-Autumn Festival.