高等继续教育 / 统考英语B
正确率：统考%
题型描述: 单选题
A. has been raining heavily
B. rained heavily
C. had been raining cats and dogs
D. has rained cats and dogs
It ＿＿＿＿＿ for over a month and the downpour had damaged many houses.
A. has been raining heavily
B. rained heavily
C. had been raining cats and dogs
D. has rained cats and dogs
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