单选题
The coach explained the regulations
at length
to make sure that none of his players would become violators.
A、
at last
B、
at large
C、
in detail
D、
in short
【正确答案】
C
【答案解析】
at length详细地，彻底地；at last最后；at large一般，大体上；in detail仔细地，详细地；in short简而言之。
提交答案
关闭