来源:学生作业帮 编辑:百度作业网作业帮 分类:英语作业 时间:2024/08/19 11:50:12
She was reading a book about how to deal with the generation gap while her son ____ his homework. A,did B would do C.was doing D.had done 我怎么想都觉得是C。。。。
解题思路: 如下
解题过程:
选C正确。while 引导的时间状语从句表示从句和主句的动作同时发生,两句都用过去进行时。
最终答案:略