28. You have done wrong to Jack you should say sorry to him. A. to whichB. for whichC. in

问题补充：

28. You have done wrong to Jack, you should say sorry to him.

A. to which

B. for which

C. in which

D. on which

答案：

A. to which

(答案→)B. for which

C. in which

D. on which

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