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 |
【答案】
A
【解析】略
练习册系列答案
相关题目
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 |
A
【解析】略