25．Mr. Duncan raised an unnecessary question-he then failed to find an answer.A. to which

发布时间：2020-08-16 06:08:46


25．Mr. Duncan raised an unnecessary question    -he then failed to find an answer.
A. to which
B. for which
C. with which
D. by which

网友回答

(答案→)A. to which
B. for which
C. with which
D. by which
解析：可联系答.案.网客服索取。
以上问题属网友观点，不代表本站立场，仅供参考！