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				-I’d like to invite you to my birthday party this evening.  -Thanks, but      I’ll have time I’m not sure at the moment.  A. while  B. whether   C. if  D. when			【查看更多】
			


		
           
          


		
          
		
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           —I’d like to invite you to my birthday party this evening.
            
          —Thanks, but ____ I’ll have time I’m not sure at the moment.
            
          A. while       B. whether        C. if       D. when
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
            
          —I’d like to invite you to my birthday party this evening.
            
          —Thanks, but ____ I’ll have time I’m not sure at the moment.
            
          A. while       B. whether        C. if       D. when
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
           —I’d like to invite you to my birthday party this evening.
            
          —Thanks, but ____ I’ll have time I’m not sure at the moment.
            
          A. while       B. whether        C. if       D. when
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          —I’d like to invite you to my birthday party this evening.
          —Thanks, but ____ I’ll have time I’m not sure at the moment.

          1. A.
            while
          2. B.
            whether
          3. C.
            if
          4. D.
            when
          

			
          
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          —I'd  like to invite you to my birthday party this evening．
              
          —Thanks．but          I'll have time I'm not sure at the moment．
              
          A．while           B．whether        C．that               D．when
              
          

			
          
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