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

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 He will come back after ten o'clock同义句 he said “i will come back()two months.”为什么不可以填after 在句子“My father will be back after 3 o'clock.”中为什么不能in用代替after I will go to beijing_________ two o'clock A after B in C lat 翻译The Greens will come back after two months They will come back（in）two days.为什么不用after? We will get back here(at two o'clock).(括号里提问）______________w I think they will come back ______ 4 o'clock. they will come back at ten o'clock.同义句为什么是They won't come ba My dad will come come back home ( ) two hours.选in或after（说明原因 they will come back after comes here的同意句