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—You haven’t got the textbook for my chemistry yet.
—I know, and we ________ to get it for the last five weeks.
A.will have been tryingB.have been trying
C.will be tryingD.had tried
B 

試題分析:句意:--你們還沒有給我弄到化學課本。--是的,我知道,我們在過去的五周里一直試圖想得到它。因為時間狀語or the last five weeks.排除將來時的兩個選項AC,過去完成時表示在過去的某個時候之前已經完成的動作,不符合語境故排除D;由前者的話可知,后者尚未搞到化學課本,后者意為:我們在過去的五個星期里一直都在設法去做(現在仍在努力)。即現在完成進行時(過去開始的動作一直延續(xù)到現在,有可能繼續(xù)下去)。故選B。
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