only after six months,i began to see the result of my work

my little brother is only six _____(month) old. After a( )training,my dog became quite smart括号里填什么A:six months long B :six month long C:six-month-long D:six-months-long after six months of training= after six-month's training?六个月的训练后 这两种都行吗? My brother is (only six-month-old)｛对括号部分提问｝( ) ( ) is your brother? He could look after himself when he was only six保持原意 only after six months,i began to see the result of my work they got divorced after only six months .用were divorced行吗,两着有什么区别吗 just like you,so walk away only six month 谁行行好,帮我翻译翻译哦!.可能有语法错误 改错Although he is only six years old,but he can look after himselfAlthough he is only six years old,but he can look after himself.谁来帮我改错下. Jenny leave the hospital only six hours after the baby was born.Jenny leave the hospital only six hours after the baby was born.A.was able to B.could C .can D.is able to After a month.A month later区别 英语连字符问题.看题：after( )trainingA:six month'B:six monthsC:six-month详细解释下..举几个例子.举个例子..感觉题目有点奇怪怎么没 A traing 也没SA是six months' 我觉得A也没错啊 six month earlier与six months earlier有什么区别 How often do you go to the park?A.Once B.Ten days C.For six days D.After a month what month comes after October? which month comes after October? This month is after October 你知道some after month