During that time she covered a distance of eight miles .这里of是什么用法?

covered的意思during that time,she covered a distance of eight miles.啥意思? During that time she covered a distance of eight miles.这句话中为什么加a. During that time she covered a distance of eight miles .这里of是什么用法? 在此期间,during the period 还是 during that time during that time与at that time有什么区别? During that time she had to regard the diary as her only friendDuring可以换in吗 at that time 和on that time、 during that time有什么区别 What is your sister doing now?She is taking a s______ in the bathroom.Our teacher always says that students shouldn't w_______ time during the class. They learn what life was like during that time. miss the memories of you during that winter time 新概念lesson49的“so”During the time she so gained my aunt's confidence,that she was put in charge of domestic staff.这里的so为什么能放在gained的前面,这也是so...that的用法么 the fire lasted for 20 days,(during that time)the whole forest was destroyed.为什么不能填during which time 英译汉sadly,she is actually a much bigger name today than she was during her time. __ she was living in New York that she met her husband Terry.A.Just when B.Soon afterC.It was while D.During the time when 并翻译句子. ____ she was standing and waiting for a bus that she caught sight of the former President Clinton.A.It was while B.As soon asC.While D.During the time when During the time that he was away,she was sad.书上的句子,但我觉得应该用when代替that,我觉得应该用关副而不是关代，时间概念作副词呀 英语Jane spend three years in China,during which time she was learning ChineseJane spend three years in China,during which time she was learning Chinese.我就是搞不懂,为什么during which =when后还要加time, ...just only us during that time.is that right?according to the title