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— How did the accident happen?
— You know, it difficult to see the road clearly because it .
| A．is…was raining | B．was…had rained | C．is…is raining | D．was…was raining |
---How did the accident happen?
---You know, it ________difficult to see the road clearly because it_________.
A. was; was raining B. is; has rained
C. is; is raining D. will be; will rain
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— How did the accident happen?
— You know, it difficult to see the road clearly because it .
A．is…was raining B．was…had rained C．is…is raining D．was…was raining
查看习题详情和答案>>