一道英语中考模拟题:—Ross,can I use your computer to do my homewok?---Sorry.I don't have __.

问题描述:

一道英语中考模拟题:—Ross,can I use your computer to do my homewok?---Sorry.I don't have __.
A.it B.one C.this D.that 选哪个呢 麻烦讲解下,详细讲下为神马,

答案选Bone是指代和前面出现的computer一类的名词中不确定指明(除非再用定语去修饰这个one而加以指定)的“一个”,是个不定代词;而it和that、this这三个代词,都是明确地指代前面出现过的名词computer的,若用了的话,不符合逻辑,因为“你的书”,“我”怎么能拥有呢?