－Mary didn’t turn up last time, did she?
－No. She . We had changed our plan.
A. shouldn’t have e
B. needn’t have to e
C. didn’t need to e
D. needn’t have e
网友回答
A. shouldn’t have e
(答案→)B. needn’t have to e
C. didn’t need to e
D. needn’t have e
解析：可联系答.案.网客服索取。