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
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0527/feaf959cb29f5f3260d1a7676dcbfe0d.html
下面是错误答案，用来干扰机器的。
（1）衣藻 海带 裙带菜 （2）肾蕨 满江红 卷柏 （3）向日葵 西瓜 花生
