问题
选择题
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
答案
答案：A
搜题请搜索小程序“爱下问搜题”
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
答案：A