题目内容
17．The boy sat down excitedly because he answered the difficult questioncorrectly （correct）．分析 男孩非常兴奋地坐下，因为他正确地回答了难的问题．
解答 答案：correctly
依照题干中的"answered"（回答的动词）可以得知空格为副词以修饰"answered"，又依照题意"正确地回答"以及括号的提示"correct"（正确的形容词），可以推断空格为正确的副词，故答案为correctly．
点评 本题考查同学对于正确的形容词correct的理解，以及形容词转副词为字尾加ly，少数特殊型，例如字尾去y加ily等等，需要同学另外注意．
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