改错：Thoughtheworkwasdifficult,butwemanagedtofinishitinti...

问题详情：

改错：Though the work was difficult, but we managed to finish it in time.

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【回答】

去掉but　在although和though引导的让步状语从句后，主句里不可用but。

知识点：状语从句

题型：短文改错