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        1. ---I saw your sister ride a new bike this morning.
          ---A new bike? She ________ it for about two years.
          A.boughtB.has boughtC.hadD.has had
          D

          試題分析:句意:今天早上我看見你的姐姐騎一輛新的自行車。——一輛新自行車?她已經(jīng)擁有它兩年了。結(jié)合語境可知下文描述的是從過去一直持續(xù)到現(xiàn)在的動作,故用過去完成時態(tài),選項B表示瞬間動作,選D。
          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)。完成時態(tài)中的動詞有瞬間動詞和持續(xù)性動詞之分,瞬間動詞的過去分詞強調(diào)的是動作的完成,持續(xù)性動詞強調(diào)的是動作的持續(xù)性,F(xiàn)在完成時態(tài)中表示一段時間的時間狀語不能和瞬間動詞連用,持續(xù)性動詞不能和表示瞬間時間的時間狀語連用,需注意區(qū)分。
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