Question

【题目】–How often do I need to feed the dog?

–It food every day, or it will be hungry.

A. gives B. must give

C. must be give D. must be given

Answer 1

【答案】D

【解析】

试题分析：句意：—我需要多久喂一次狗？—它每天必须喂食物，否则它会饿的。根据句意此题应用被动语态，其基本结构是be+动词的过去分词，由题意可知是一般现在时的被动语态，所以此题选D。