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    精英家教网 > 初中英语 > 题目详情
    How many ________do you have?
    A.tooth             B.teeth               C.tooths
    B

    试题分析：句意：你有多少颗牙齿？tooth牙齿，复数形式为teeth，how many修饰可数名词的复数形式，故选B
    点评：名词是重要的语法概念，初中要掌握名词复数的不规则变化、对可数与不可数名词的区分、名词所有格等用法。对于不可数名词的复数，可用 a piece of 或是a packet of等来构成，如两则新闻可用two pieces of news。诸如foot脚的复数形式是feet,这类词都是改为oo为ee；以“O”结尾的名词单复数变化，还可以通过巧学妙计进行：黑人（Negro）英雄（hero）在火山上（volcano）种土豆（potato）和西红柿（tomato）。
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