问题描述：
none of my friend left early .she kept none of his letters.我不明白为什么前面的“朋友”要用单数?
复数可以么?none of my friends.还有一句话 it's none of your business.这里可以改成复数么?或者说这里应该做另外一种理解?希望能够得到清晰的答案.
复数可以么?none of my friends.还有一句话 it's none of your business.这里可以改成复数么?或者说这里应该做另外一种理解?希望能够得到清晰的答案.
问题解答：
我来补答展开全文阅读