过去完成时两个动作先发出的句子是从句吗we had had dinner before they arrived/

分类: 作业答案 • 2022-01-02 15:49:50

问题描述：

过去完成时两个动作先发出的句子是从句吗
we had had dinner before they arrived/

答

before they arrived是从句，做时间状语

答

不是,是复句

答

before they arrived是从句

过去完成时两个动作 先发出的句子是从句吗we had had dinner before they arrived/