Mary, ____ late for school again![ ]A. isn't B. doesn'tC. doesn't beD. don't be-

题目简介

Mary, ____ late for school again![ ]A. isn't B. doesn'tC. doesn't beD. don't be-

题目详情

Mary, ____ late for school again!
[     ]
A. isn't        
B. doesn't          
C. doesn't be      
D. don't be
题型:单选题难度:中档来源:同步题

答案

D

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