he was reading a novel-when--the story reminded him of...he was reading a novel------the story reminded him of what he.A when B that C whose D while 后面的句子先不管 为什么是选A 除了用排除法
问题描述：
he was reading a novel-when--the story reminded him of...
he was reading a novel------the story reminded him of what he.A when B that C whose D while 后面的句子先不管 为什么是选A 除了用排除法
答
was/ were doing... when... 正在。。。这时
答
固定句式was/were doing...when...或者was/were about to do...when...