英语翻译 到他十八岁前,他已经学了十年英语了.(by the time…)
问题描述：
英语翻译 到他十八岁前,他已经学了十年英语了.(by the time…)
答
He had learnt English for ten years by the time he was eighteen.
英语翻译 到他十八岁前,他已经学了十年英语了.(by the time…)
He had learnt English for ten years by the time he was eighteen.