I left there until his mother came back有一处错误请改正

I left there until his mother came back有一处错误请改正 i left until he came back 哪里错了 He did not do to bed until his mother came back .可以将came换wen The boy didnot go to bed until his mother came back= _ _ his He did not go to sleep until his mother came back home同义名句 My brother didn't go to bed until his mother came back.同意句My Tom didn't go to bed until his mother came back from work.同义 he didn't go to bed until his mother came back (改为同意句） The boy didn't go to bed until his mother came back.同义句转换 Tom didn't go to school until his mother came back from scho The boy didn't go to bed until his mother came back同义句转换 I didn't leave home until mother came back 保持句意相同 I _____ __