What ---you----?we had beef and potatoes. The students are a

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
再问： The students are all busy ____the exans. a.getting ready for b.getting ready to c.to getting ready for d.to get ready for
再答： a.getting ready for 固定搭配 be busy doing get ready for是为什么做准备