问题
选择题
____ that silver is not widely used as a conductor?
A．Why is
B．Is it why
C．Why is it
D．Why is that
答案
答案：C
搜题请搜索小程序“爱下问搜题”
____ that silver is not widely used as a conductor?
A．Why is
B．Is it why
C．Why is it
D．Why is that
答案：C