19. On turning the corner, we saw the road _______ steeply. A. departing B. depressing C. decreasing D. descending depart 离开depression 沮丧decrease 减少create 创造increase 增加cremate 烧尽、燃尽descend 下降、遗传、（夜幕）降临ascend 攀登、上升condescend 屈尊、府就descendant 后代precursor 先人、先驱descent 降落、世系transcend 超越