问题补充:
The official said rescuers were workingto find the missing miners in the coal mine blast.
A. round the clock
B. in the clock
C. around the time
D. in the meantime
答案:
(答案→)A. round the clock
B. in the clock
C. around the time
D. in the meantime
解析:可联系答.案.网客服索取。