问题
选择题
Three h
undred firemen raced to the hotel after a smoke detector________the alarm soon after midnight.[ ]
A. set off
B. set out
C. give away
D. give off
答案
答案：A
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Three hundred firemen raced to the hotel after a smoke detector________the alarm soon after midnight.[ ]
A. set off
B. set out
C. give away
D. give off
答案：A
