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i need to have a rest.we ___(walk)non-stop for four hours

分类: 作业答案 • 2022-01-25 00:03:14

问题描述：

i need to have a rest.we ___(walk)non-stop for four hours

答

have walked
for引导的时间状语用现在完成时
不明白的再问哟,请及时采纳,多谢!