题目内容
17.How manycities(city )have you been to?分析 你去过多少所城市?
解答 答案:cities.how many询问多少,后加上可数名词复数,city的复数是cities,故答案是cities.
点评 名词单数变复数,直接加-s 占多数; s,x,z,ch,sh 来结尾,直接加上-es; 词尾是 f 或 fe,加-s 之前先变 ve; 辅母+y 在词尾,把 y 变 i 再加-es; 词尾字母若是 o,常用三个已足够,要加-es 请记好,hero,tomato,potato.
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