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          Common ________ of depression are lack of energy, loss of interest in things you once enjoyed．

          1. A.
            signs
          2. B.
            scenes
          3. C.
            sights
          4. D.
            signals
          

			
          

			
          
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          Lei Feng was ________ name that won national admiration in ________ 1960s, as a symbol of unselfishness and devotion．

          1. A.
            the; the
          2. B.
            a; a
          3. C.
            the; 不填
          4. D.
            a; the
          

			
          

			
          
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          The man ________ there is our headmaster．

          1. A.
            stand
          2. B.
            to stand
          3. C.
            is standing
          4. D.
            standing
          

			
          

			
          
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          I was overjoyed at the news of my hometown ________ so much progress．

          1. A.
            to make
          2. B.
            to have made
          3. C.
            made
          4. D.
            having made
          

			
          

			
          
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          The reason why we don't trust him is ________ he often lies．

          1. A.
            why
          2. B.
            that
          3. C.
            because
          4. D.
            for what
          

			
          

			
          
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          ________ their work, the students didn't go home．

          1. A.
            Having not finished
          2. B.
            Not having finished
          3. C.
            Not having been finished
          4. D.
            Having not been finished
          

			
          

			
          
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          ________, we must read the instructions first．

          1. A.
            When using this machine
          2. B.
            When this machine using
          3. C.
            When this machine used
          4. D.
            When used this machine
          

			
          

			
          
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          Father went to his doctor for ________ about his heart trouble．

          1. A.
            an advice
          2. B.
            advice
          3. C.
            advices
          4. D.
            the advices
          

			
          

			
          
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          ________ such heavy pollution already, it may now be too late to clean up the river．

          1. A.
            Having suffered
          2. B.
            Suffering
          3. C.
            To suffer
          4. D.
            Suffered
          

			
          

			
          
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          The parents watched their children ________ up the hill and ________ down on hill-top for a rest.

          1. A.
            climbed; sat
          2. B.
            climb; sit
          3. C.
            climb; sitting
          4. D.
            climbing; sitting
          

			
          

			
          
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