几个中文表达,不知英语句子

题目

几个中文表达,不知英语句子
句子”这东西你要多少有多少.””你怎么可以不知道呢””你怎么会不知道啊”

答案

1.There is as much of this stuff as you need.
2.How could you not know?
3.How can you not know?
or
How come you don't know?
or
Why don't you know?
or
You must know ...(你怎么会不知道啊 如果有反问的意思,那就是“你一定知道的啊”）