问题
选择题
Rescuers had to ____ the search because of worsening weather condition. [ ]
A. take off
B. call off
C. cut off
D. show off
答案
答案：B
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Rescuers had to ____ the search because of worsening weather condition. [ ]
A. take off
B. call off
C. cut off
D. show off
答案：B