【高中英语】Grammar----动词的时态语态Mother wanted to be a good provider,a role she ____since her marriage to fatherA.shoulders B.shoulderedC.is shoulderingD.has been shouldering【我的问题是:前面是wanted,而不是wants!那么可能是他妈妈已经去世了,怎么会用D?

问题描述:

【高中英语】Grammar----动词的时态语态
Mother wanted to be a good provider,a role she ____since her marriage to father
A.shoulders
B.shouldered
C.is shouldering
D.has been shouldering
【我的问题是:
前面是wanted,而不是wants!那么可能是他妈妈已经去世了,怎么会用D?