题目内容
在横线处填上恰当的连词引导让步、方式或比较状语从句。
________ it was very difficult, they managed to finish the task at last．
答案：Although
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题目内容
在横线处填上恰当的连词引导让步、方式或比较状语从句。
________ it was very difficult, they managed to finish the task at last．