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The soldiers were extremely tired and the heavy rain their difficulty.A.to addB.added upC.added toD.

编辑:chaxungu时间:2026-04-24 13:02:14分类:高中英语题库

The soldiers were extremely tired and the heavy rain ________ their difficulty.
A.to addB.added upC.added toD.added up to在线课程C