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          Look! The students _____ the classroom.
          A．clean B．a(chǎn)re cleaning
          C．a(chǎn)re cleanD．cleaning
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B
          

          解析試題分析：句意：看，學(xué)生們?cè)诖驋呓淌摇８鶕?jù)句中提示詞look可知此句時(shí)態(tài)應(yīng)是現(xiàn)在進(jìn)行時(shí)態(tài)，其基本結(jié)構(gòu)是be+動(dòng)詞ing，所以選B。
          考點(diǎn)：考查動(dòng)詞時(shí)態(tài)
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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