Question

【题目】— How often do I need to feed the dog? — It ________ food every day, or it will be hungry.
A.must give
B.must be give
C.must gave
D.must be given

Answer 1

【答案】D
【解析】句意：—我需要多久喂一次狗？—必须每天给它食物，否则它会饿的。根据句意及题干分析此空应用被动语态，其基本结构是be+动词的过去分词，此题考查的是带有情态动词的被动语态，所以此题应选D。