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        1. --- 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

          試題分析:句意:夫人,我什么時候能看到醫(yī)生?——讓我看看,抱歉,你錯過了輪到你的時機,一次再排隊吧!結(jié)合語境可知下文描述的是現(xiàn)在已經(jīng)完成的動作,故用現(xiàn)在完成時態(tài),主語you是第二人稱,故助動詞用have,選B。
          點評:英語中的時態(tài)主要是借助于時間狀語與上下文語境來進行判斷。解答此類題型,首先要注意句子中的時間狀語,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態(tài)。英語疑問句中一般具有時態(tài)上的對應關系,注意結(jié)合這一特點進行區(qū)分。
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