---I didn’t go to work today.--You ; it’s Sunday today.A. mustn’t haveB. didn’t need to

问题补充：

---I didn’t go to work today.

----You ; it’s Sunday today.

A. mustn’t have

B. didn’t need to

C. can’t have

D. needn’t have

答案：

A. mustn’t have

(答案→)B. didn’t need to

C. can’t have

D. needn’t have

解析：根据题意,我今天没去上班_你不必去,今天是星期天,选B,你不必.