they will come back at ten o'clock.同义句为什么是They won't come ba

they will come back at ten o'clock.同义句为什么是They won't come ba He will come back after ten o'clock同义句 I think they will come back ______ 4 o'clock. He didn‘t come back home until ten o’clock（）同义句） He ___ ____ (Having got) what they wanted,they won't come back. my father will come back at three o'clock in the afternoon同义 they will come back in ten minutes这句中为什么不能把in改成after? I think they will come here soon,__?A:will they B:won't they they will come back after comes here的同意句 I will come back after two o'clock.这句话里的after能不能换成at?为什么?最好举 Then they won't get up until nine,ten or even eleven o'clock if they come,we will have a meeting(改为同义句 if they come,we ()