Dad, the phone is ringing. I guess either you or Mum on the phone.
A. is wanted
B. are wanted
C. wants
D. want
网友回答
(答案→)A. is wanted
B. are wanted
C. wants
D. want
解析：考察被动语态。句意；爸爸，电话响了。我猜电话上，要么是找你，要么是找我妈妈。结合语境可知从句主语是动作对象，故用被动语态。either···or表示要么···要么···，它的用法，根据就近原则。Mum是单数形式，故助动词用单数，故选A