--- When can I see the doctor, madam?
--- Let me see. Sorry, you ___________ your turn, so you will have to wait again.

A．a(chǎn)re missingB．have missedC．will missD．missed

B

解析試題分析：句意：夫人，我什么時(shí)候能看到醫(yī)生？——讓我看看，抱歉，你錯(cuò)過了輪到你的時(shí)機(jī)，一次再排隊(duì)吧！結(jié)合語境可知下文描述的是現(xiàn)在已經(jīng)完成的動(dòng)作，故用現(xiàn)在完成時(shí)態(tài)，主語you是第二人稱，故助動(dòng)詞用have，選B。
考點(diǎn)：時(shí)態(tài)
點(diǎn)評(píng)：英語中的時(shí)態(tài)主要是借助于時(shí)間狀語與上下文語境來進(jìn)行判斷。解答此類題型，首先要注意句子中的時(shí)間狀語，如果沒有則要通過分析上下文，結(jié)合語境來判斷句子的時(shí)態(tài)。英語疑問句中一般具有時(shí)態(tài)上的對(duì)應(yīng)關(guān)系，注意結(jié)合這一特點(diǎn)進(jìn)行區(qū)分。

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