Question

【题目】______ school playgrounds to the public makes exercise easier for the people in the community.

A.OpenB.OpenedC.OpeningD.Have opened

Answer 1

【答案】C

【解析】

考查非谓语动词。句意：学校操场对公众开放，使得社区里的人们锻炼起来更容易。______ school playgrounds to the public是句中主语，此处没有被动意思，用动名词做主语，故选C。