精品一区二区免费在线观看_国产精品久久久久久av福利软件_97成人精品区在线播放_国内成人精品一区

No doctor would like to see a change for _____ worse in a patient; they hope he or she can improve in _______ health soon.

A. the; /             B. the; the                  C. /; the                    D. /; /