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题目
题型:不详难度:来源:
Some amazing people _______ our world for the better in the past 100 years.
A.changeB.are changingC.have changedD.had changed

答案
C
解析

试题分析:表示过去的某一动作或行为一直持续到现在,用现在完成时,故选C。
点评:英语中的时态主要由动词的形式决定,因此在学习英语时态时,要注意分析动词形式及具体语境,想象在那个特定的时间动作所发生的背景,这个动作是经常性动作、一般性动作、进行性动作、完成性动作还是将要发生的动作。
核心考点
试题【Some amazing people _______ our world for the better in the past 100 years.A.cha】;主要考察你对一般现在时等知识点的理解。[详细]
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