ten minutes ago为什么不加介词如题

ten minutes ago为什么不加介词如题 walk south ten minutes中south前面为什么不加定冠词walk south for ten minutes中south前面为什么不加the The movie__(begin) ten minutes ago. He left ten minutes ago.怎样翻译? They began their class ten minutes ago. they b___their class ten minutes ago. The bady woke up ten minutes ago.的同义句 The baby ( ) ( ) ( )since ten minutes ago.是不是has been awake为什么 Yes,I____it ten minutes ago. a.have b.had c.mended d.have mended为什么 He _______(leave )the room ten minutes ago?为什么用left,而不用完成时? she has been away since ten minutes ago 对 ten minutes ago 提问 【改错】ten minutes is long long time.minutes应不应该加S My home is about ten minutes’ walk from school.（为什么minutes要加’啊） walk south for five minutes.为什么 minutes不加' ten-minute's walk有这种用法吗请说明详细一点，加连字符不已经是定语了吗 为什么要加’不是只有ten-minute walk或 ten minutes` walk两种形式吗？ 一个英语短语she has eat it for ten minutes ago 其它的for用不用加 The doctor will be free.A .in ten minutes B.ten minutes ago C .before ten minutes The film began ten minutes ago.The film ___ ___ ___ for ten minutes. The meeting began ten minutes ago.(同意句转换)