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            • 1．

              By the time I got to the bus station, the bus ________ already.

              A．has left
              B．had left
              C．left
              难度：中等
              解析 收藏 试题篮
            • 2．

              When I got to the cinema，the movie ________ for fifteen minutes.


              A．has begun
              B．had begun
              C．had been on
              D．has been on
              难度：难
              解析 收藏 试题篮
            • 3．

              By the time Jack returned home from England, his son ________ from college.

              A．graduated
              B．has graduated
              C．had been
              D．had graduated
              难度：难
              解析 收藏 试题篮
            • 4． —Did you see the manager this morning?

              —No．He________for Beijing by the time I arrived at his office．

              A．has left
              B．had left
              C．left
              D．was leaving
              难度：中等
              解析 收藏 试题篮
            • 5． By the time I got to the airport, the plane ________ .
              A．have taken off
              B．had taken off
              C．is taken off

               
              难度：中等
              解析 收藏 试题篮
            • 6． When I heard of this news，Mary and Jim ________ already ________ for two months.
              A．was，married
              B．had，married
              C．had，been married 

               
              难度：难
              解析 收藏 试题篮
            • 7． When we got to the library,Mary_____there.
              A．has left
              B．had left
              C．leaves
              D．left
              难度：较易
              解析 收藏 试题篮
            • 8． When I got there，I realized that I ______ my glasses at home．（　　）
              A．forgot
              B．had forgot
              C．left
              D．had left
              难度：较易
              解析 收藏 试题篮
            • 9． We ______ four thousand new words by the end of last year．（　　）
              A．learned
              B．had learned
              C．have learned
              D．will learn
              难度：较易
              解析 收藏 试题篮
            • 10． What a day!The car I ________ seems to go wrong again．（　　）
              A．has repaired
              B．has it repaired
              C．had repaired
              D．had it repaired
              难度：较易
              解析 收藏 试题篮
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