Ministers have chosen to make "savings" predominantly off the back of low-income pupils in an education system that was already stacked against them. 这句话怎么翻译?其中有哪些搭配?
In England tea didn't appear until 1660, but in less 100 years he had become the national drink. 这里用了过去完成时had become, 过去完成时是过去的过去,这里had become是在强调发生在哪个过去动作之前的?谢谢,盼着专家老师解惑。