【题目】In those days, our _________ concern was to provide people who were stopped by the snow storm with food and health care.
A. normal B. constant
C. permanent D. primary
在线课程【答案】D
【解析】考查形容词。句中primary为“主要的，首要的”之意。句意：那些日子里，我们主要的考虑就是给被暴雪受阻的人们提供食物和健康照护。