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题目
题型:不详难度:来源:
She has a ruler, but she________ an eraser.
A、doesn’t have                B、haven’t                 C、don’t have
答案
A
解析

试题分析:在一般现在时态中,当句子中有行为动词时,应该用结构:当句子的主语为非三单形式时,要借助于助动词do,其结构为:主语+don’t 动词原形+其他;主语是三单时,其结构是主语+doesn’t+动词原形。当句子中没有行为动词时,要在be 动词后面加not。根据选择项的提示可知have是行为动词,且主语是she故选A。
点评 :学生要注意一般现在时句子中行为动词的否定句的构成,尤其特别是当主语为三单形式时谓语动词的否定句结构,谓语动词要用原形。
核心考点
试题【She has a ruler, but she________ an eraser.A、doesn’t have                B、haven】;主要考察你对过去进行时等知识点的理解。[详细]
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