1 . C________ were an effective way of defence in the west before cannons (大炮) could be put into practical use. (根据首字母单词拼写)
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2023-09-12更新
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14次组卷
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4卷引用:Unit 6 The Media 单词练习-2022-2023学年高中英语北师大版(2019)选择性必修第二册
2 . The original c________ was probably built about AD 860.(根据首字母填空)
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