why did you not work 和why didn't you work意思一样吗

why did you not work 和why didn't you work意思一样吗 Why didn't you中文意思 Why didn't you call me?-------I did call you. Why didn’t you hand in your work Sorry.____________ .A.I am why did hugh's diet not work Since you can't work it out in these ways ,why not ---the pr 英语 why are you not ,why aren't you和why you are not 都是对的吗 如果都 44.----- Do you see why the machine doesn't work? Do you see why the machine doesn,t work? why don‘t you和why not的不同用法 why do not you…和why do you not…,why aren't you able to…和why Why don't you+...why not +.