高等继续教育 / 电子商务英语
正确率：100%
题型描述: 单选题
4. It ＿＿＿＿＿＿ _ for two days and the field were all under water.
A.had been raining
B.rained
C.was raining
D.would have rained
4. It ＿＿＿＿＿＿ _ for two days and the field were all under water.
A.had been raining
B.rained
C.was raining
D.would have rained
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