【单选题】He was busy writing the essay all the morning, only ______ occasionally to have a cup of te
                    
A.A. breaking offB. breaking outC. breakingD. breaking away
                
							【单选题】He was busy writing the essay all the morning, only ______ occasionally to have a cup of te
                    
A.A. breaking offB. breaking outC. breakingD. breaking away
                
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