When she was arrested,the detective found out that the shop assistant was her daughter.这句话里面为什么要加that呢?

when was she born when she was young 与when she was younger区别 She was ----when she saw----movie[scary] When she was eight,she was already a___ violinist When she was eight,she was already a____________ violinist She become a skating champion when she was ten 中when she was ten 是不是定语 when she was four的同义词 when Mrs Brown was yong she could ---------------,she was in when i called (luck) luckily,she was in when i called. When she was a child的意思 when she（） hear the news she was very excited She started ice skating when she was four.同义句 She _____(can)skate when she was only four. She ---(get)up early when she was young.要解析 She was cooking when she cut her finger When she was three,she could play the She died of c-----when she was 70 years old