问题
选择题
In the north of China, it has been snowing for weeks on___end, which causes severe damage to crops; it is estimated that the heavy snowfall will come to ____ end next week.
A．/; an
B．the; a
C．a; an
D．an; /
答案
答案：A
题目分析:考查冠词用法。固定短语on end “持续；直立的”；come to an end “结束”，根据语境判断A选项正确。句意：在中国北部大雪持续了数周，这造对庄稼造成了严重的损害；据估计这次的降雪将于下周结束。