题目内容
18．I asked him to have dinner with me，but he refused．分析 我邀请他跟我一起吃晚餐，但是他拒绝了．
解答 答案：refused．
根据所给首字母提示结合连词but推测句意是"我邀请他跟我一起吃晚餐，但是他拒绝了．"，根据句子表述的是过去的事情判断设空处缺少动词过去式，所填单词"拒绝"是refuse，所以答案是：refused
点评 做这类题型，首先根据所给单词首字母明确句子所要考查的单词的拼写，再结合相关语法知识对单词做出形式上的变化．
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