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          From the space, the astronaut can see more than 70 percent of the earth _____ by water. 

          A. are covered 
          B. is covered 
          C. covering 
          D. cover 
          			
          

			
			
			
		
          



							
          
				相關習題
			
          	
						
          
			
          
				科目：初中英語
				來源：河北省模擬題
				題型：單選題
			
          
									
          From the space, the astronaut can see more than 70 percent of the earth _____ by water. 
          

          [     ]
          A. are covered 
          B. is covered 
          C. covering 
          D. cover 
          

			
          
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