Every possible means _______ to prevent the crash , but the computer doesn’t sti - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

Every possible means _______ to prevent the crash , but the computer doesn’t still work．

A．is used	B．are used
C．has been used	D．have been used

答案

解析

考察used用法。Be used to 习惯于某事：被用来做某事；used to do sth过去常常做某事。句意：每一种可能的方法都被用来预防崩溃，但是电脑仍旧不能运行。可知描述的是现在已完成的动作，故用现在完成时态。主语means为不可数名词，不可数故助动词用has，选D。

核心考点

试题【Every possible means _______ to prevent the crash , but the computer doesn’t sti】；主要考察你对名词等知识点的理解。[详细]

举一反三

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A．As

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C．with

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