题目内容
5.We should think up some ways to protect the ancient towns like Xianggelila in our country.(改写句子,句意不变)Some ways shouldbethought up to protect the ancient towns like Xianggelila in our country.
分析 我们应该想出一些方法去保护一些我们国家像香格里拉一样的古城镇.
一些方法应该被想出去保护一些我们国家像香格里拉一样的古城镇.
解答 答案:be thought.句中有must,所以采用含有情态动词的被动语态结构:情态动词+be+动词的过去分词,think的过去分词thought.故答案是be thought.
点评 本题考查含有情态动词的被动语态,平时熟练掌握其结构即可作答.
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