问题
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
B:constant
C:permanent
D:primary
正确答案是：
同类题型
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Parents, of course, will do everything they could to ________ their children from harm. [ ]
Thousands of fans waited in the rain for the pop star to arrive. [ ]