高等继续教育 / 基础英语II
正确率：100%
题型描述: 单选题
Flights were delayed ＿＿＿＿＿＿＿＿＿ the most serious storm the city had ever had.
A.due to
B.as
C.because
D.since
Flights were delayed ＿＿＿＿＿＿＿＿＿ the most serious storm the city had ever had.
A.due to
B.as
C.because
D.since
参考答案：