题目内容
19.Leaves(leaf) turn yellow in autumn because of the cool weather.分析 由于凉爽的天气,叶子在秋天变黄.
解答 答案:Leaves
提示词leaf意为"叶子"在句中作主语,根据句中描述的是客观事实所以使用的是一般现在时,再根据句中的谓语动词turn是原形可知主语应是名词复数,故填leaf的复数形式,又知以f或fe结尾的名词,其复数形式是变f或fe为v,再加es,leaf的复数形式为leaves,句中首字母大写,故答案为Leaves
点评 本题主要考查完成句子,首先要根据所给单词提示,然后根据句式特点,结合句意和词性,确定单词的适当形式,最后把句子补充完整.本题主要考查名词leaf的复数,类似的单词还有half,wolf,knife.
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