Jack could have avoided that terrible car accident, but he ________ careful enough.[ ]A. is notB. wa

题目简介

Jack could have avoided that terrible car accident, but he ________ careful enough.[ ]A. is notB. wa

题目详情

Jack could have avoided that terrible car accident, but he ________ careful enough.  
[      ]
A. is not                  
B. was not                  
C. hasn't been        
D. hadn't been
题型:单选题难度:中档来源:专项题

答案

B

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