Question

——How often do I need to feed the dog?
——It___food everyday, or it will be hungry.

A．must give

B．must be give

C．must be given

D．must be gave

Answer 1

C

句意：我需要多久喂一次这条狗？——必须每天喂它，否则它会饿的。结合语境可知下文主语it是动作对象，故用被动语态，选项BD过去分词形式有误，故选C。