For sake of safety, never believe any message from an unknown number until it ha

题干

For sake of safety, never believe any message from an unknown number until it has been _______.

A．reformed

B．confirmed

C．transformed

D．informed

上一题下一题 0.65难度单项选择更新时间:2019-02-03 12:16:49

小学学科试题库

初中学科试题库

高中学科试题库