In the past ,the miners had to be extremely to bear the uncomfortable conditions at mines.

发布时间：2020-08-17 11:54:07

In the past ,the miners had to be extremely     to bear the unfortable conditions at mines.
A. difficult
B. rough
C. tough
D. brave

网友回答

A. difficult
B. rough
(答案→)C. tough
D. brave
解析：B(表面)粗糙的，不平的，（人或举止）粗俗的，粗野的，粗暴的C坚韧的，结实的，能吃苦耐劳的
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