问题
选择题
In the crosslake swimming race, a boat will be ________ in case of emergency. [ ]
A. standing by
B. turning on
C. getting on
D. going off
答案
答案：A
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In the crosslake swimming race, a boat will be ________ in case of emergency. [ ]
A. standing by
B. turning on
C. getting on
D. going off
答案：A