题目内容

--- When can I see the doctor, madam?
--- Let me see. Sorry, you ___________ your turn, so you will have to wait again.
A．are missingB．have missedC．will missD．missed
B

试题分析：句意：夫人，我什么时候能看到医生？——让我看看，抱歉，你错过了轮到你的时机，一次再排队吧！结合语境可知下文描述的是现在已经完成的动作，故用现在完成时态，主语you是第二人称，故助动词用have，选B。
点评：英语中的时态主要是借助于时间状语与上下文语境来进行判断。解答此类题型，首先要注意句子中的时间状语，如果没有则要通过分析上下文，结合语境来判断句子的时态。英语疑问句中一般具有时态上的对应关系，注意结合这一特点进行区分。
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