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				 Astronomers and scientists think that a black hole is a region of space       which matter has fallen and       which nothing can escape.    A. into; from     B. towards; towards  C. out of; from      D. through; through			【查看更多】
			


		
           
          


		
          
		
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           Astronomers and scientists think that a black hole is a region of space ______ which matter has fallen and _______ which nothing can escape.
          A．into; fromB．towards; towards
          C．out of; fromD．through; through
          

			
          
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           Astronomers and scientists think that a black
hole is a region of space ______ which matter has fallen and _______ which
nothing can escape.
          


          A．into; from                             B．towards;
towards
          


          C．out of; from                           D．through;
through
          


           
          

			
          
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          Astronomers and scientists think that a black hole is a region of space ______ which matter has fallen and _______ which nothing can escape.

          1. A.
            into; from
          2. B.
            towards; towards
          3. C.
            out of; from
          4. D.
            through; through
          

			
          
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