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We had been studying what our enemy had said.

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/24 10:31:12
We had been studying what our enemy had said.
‘We had been studying’是“我们一直在学习”(指以前到现在不停断)
‘what our enemy had said’是“我们的敌人曾经说过的话”
后面是一句,用what引导的宾语从句.
had不必改,因为主句用过去时,从句用过去某个时态.