问题
选择题
The mobile phone has influenced people’s life a lot since it ______.
A.invents
B.invented
C.is invented
D.was invented
答案
答案:D
题目分析:句意:手机自从被发明起就很大程度地影响着人们。Invent与the mobile phone是动宾关系,因此要用被动语态。发明手机发生在过去,故选D。