47. Three hundred firemen raced to the hotel after a smoke detector ______ the alarm soon after midn...
2023-01-30 20:11:10 108次 2010届高考二轮复习必备单项选择易错题集锦(一) 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容:
47. Three hundred firemen raced to the
hotel after a smoke detector ______ the alarm soon after midnight.
A.set off
|
B.set out
|
C.gave away
|
D.gave off
|
本题链接: