Question

【题目】The government made a promise _______ medical care and social security strong．

A.keepB.to keepC.keepingD.to keeping

Answer 1

【答案】B

【解析】

句意：政府做了一个保持医疗保障和社会保障的承诺。

A.keep动词原形；B.to keep动词不定式；C.keeping动名词或现在分词形式； D.to keeping形式错误。根据固定搭配make a promise to do sth“许诺做某事”，故答案选B。