题目内容
8.所有的问题必须用英语来回答.All the questionsmust be answered in English.
分析 must be answered.
解答 答案:must be answered.结合句意表示必须用情态动词must,主语the questions是动词answer的承受者,构成被动语态,故用情态动词的被动语态---情态动词+be+过去分词,answer的过去分词answered,故答案是must be answered.
点评 情态动词的被动语态---情态动词+be+过去分词的呈现,各种类型的被动语态的构成要理解掌握.
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