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          【題目】We will fail the exam   we study hard. That's why we are trying our best to prepare for the exam.
          A. untilB. whenC. unlessD. how
          

			
          

			
          
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          【題目】Larry, we're glad you have arrived. We   to drive to the station to meet you.
          A. beganB. begin
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          【題目】The old house   in the earthquake last year.
          A. fell downB. fell off
          C. fell inD. fell over
          

			
          

			
          
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          【題目】It’s an important event in history. Who knows _________?
          A. when does it happenB. when it happens
          C. when did it happenD. when it happened
          

			
          

			
          
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          【題目】－ It is too noisy outside. What’s up?
          － Oh, some children ________ football in the yard.
          A. playedB. will play
          C. are playingD. have played
          

			
          

			
          
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          【題目】My grandfather ________ in this city for over 60 years. He knows every corner of it.
          A. livesB. has lived
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          【題目】Do you know the boy ________ is playing the violin?
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          【題目】My grandma has three dogs. She ________ them every morning.
          A. is walkingB. has walked
          C. walksD. walked
          

			
          

			
          
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          【題目】Knowledge is power, but sometimes I feel thoughts are ________ than knowledge.
          A. powerfulB. more powerful
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          【題目】Sam is my good friend. ________ often go to school together in the morning.
          A. IB. HeC. WeD. They
          

			
          

			
          
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