题目内容
15.There are thirty floors in this building and I live on theninth(nine)floor.分析 这栋楼有三十层,我住在九楼.
解答 答案:ninth.
提示词是基数词,根据所给单词结合语境可以推测句意为"这栋楼有三十层,我住在九楼.",由于设空处单词前面有定冠词the后面跟单数名词,所以应填序数词,故答案为:ninth
点评 本题考查用所给单词的适当形式填空,首先要根据语境明确句意,然后再根据相关语法对所给单词在形式上做出正确的变化.
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