Sir, you should at the red light．But you didn’t．A．stopB．have stoppedC．not have stoppedD．stopped 题目和参考答案——青夏教育精英家教网—

题目内容

Sir, you should__________ at the red light．But you didn’t．

A．stop

B．have stopped

C．not have stopped

D．stopped

解析试题分析：句意：先生，你应该在红灯亮时停下来。但你没有。这里用虚拟语气，用情态动词should + have + 过去分词，这是对过去的一种虚拟。所以选B。
考点：考查虚拟语气。

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