did have
preparing
你们吃什么了?
我们吃的牛肉和土豆 学生们都在忙于准备考试.
有问题欢迎追问
补充：
a.getting ready for
固定搭配 be busy doing
get ready for是为什么做准备The students are all busy ____the exans.a.getting readyforb.getting ready toc.to getting ready ford.to get ready fora.getting readyfor固定搭配 be busy doingget ready for是为什么做准备