One of the National Health Regulations is that public schools actively create conditions for sports facilities opened to the public.
A. shall
B. will
C. might
D. could
网友回答
(答案→)A. shall
B. will
C. might
D. could
解析：句意为：国家卫生法规之一就是公立学校要为向公众开放运动设施创造积极的条件。Shall用于第二，三人称表示命令，警告，威胁，允诺等语气；will表说话人的意愿；might表示否定的推测；could表示肯定的推测。故答案应为A。