The mobile phone has influenced people’s life a lot sinc Wap版

试题详情及答案解析

The mobile phone has influenced people’s life a lot since it ___________.

A．invented	B．has invented
C．is invented	D．was invented

答案：D

试题分析: 句意：自从电话被发明了，它已经大大影响了人们的生活。It指代电话，电话应该是被发明；根据句意，故选D。
考点：考查被动语态。