搜索结果: do sth for preparation与do sth for preparations的区别下面句子中的 preparation 为什么不用复数? During exam time we have a special programme that tells students the things they should do f 可以说do preparations for sth(为某事做准备)吗要表示“为……做准备或准备工作”,英语通常用 make preparations for。如: We are making preparations for the journey. 我们在为旅行作准备。 She is making pre