In those days, our _________ concern was to provide people who were stopped by the snow storm with food and health care.
A.normalB.constantC.permanentD.primary在线课程D
考查形容词。这句意思是“在那些日子，我们首要关心的是向遭受雪灾的人们提供食物和健康保健”，应选primary。不是“正常的”(normal)，“不断的”(constant)，“永久的”(permanent)。此题较难。