问题描述: The fire must be outside.(改成反义疑问句) The fire must be outside_ _ 周天之前 1个回答 分类:英语 2014-11-02 问题解答: 我来补答 答案:The fire must be outside, isn't it?解释:此句中的must表示肯定的推测,此时其反义疑问句和must无关,必须根据具体语意和语境来选择.must be指对现在情况的推测,如果是对过去情况的推测,必须用must have been.所以需要把原句变为:The fire is outise,所以其反义疑问句为:isn't it? 展开全文阅读