题目内容
How many ________do you have?
A.tooth B.teeth C.tooths
【答案】
B
【解析】
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
考点:可数名词与不可数名词单复数的构成形式
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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