单选题We have been excavating&n
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解决时间 2021-01-04 18:37
- 提问者网友：树红树绿
- 2021-01-03 19:55
单选题
We have been excavating layers of ash almost six metres thick, which suggests that they________the fire burning all winter.A.should keepB.might have keptC.should have keptD.might keep
最佳答案
- 五星知识达人网友：长青诗
- 2021-01-03 20:51
B
全部回答
- 1楼网友：行雁书
- 2021-01-03 21:20
我学会了
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