We’ll have to ________ how much food we’ll need for the party.

We’ll have to ________ how much food we’ll need for the party.
A、work out
B、work up
C、work in
D、work on
【正确答案】：A
【题目解析】：work out 计算出；work up 逐步建立；work in 工作；work on 从事于……；句意：我们得____聚会需要多少食物。因此A符合题意，算出