It is a banana的否定句

It is a banana的否定句 is it an apple or is a banana?与is it an apple or a banana?意思一样吗?有什么区别?前面的句子应是is it an apple or is it a banana?它是剑桥书上的原句 It is a flower.的否定句是什么?一般疑问句？ It is a computer.改为否定句 IT IS A WATERMELON 改为否定句 we made a fire with banana leaves(否定句) it has a banana的复数 what is that? I (g )it is a banana.根据句意和首字母提示提示写出单词.谢谢! It Is a red car .改成否定句. It is a green schoolbag.(改为否定句) I think it is a cat 改为否定句 It is a beautiful park.改为否定句 It is a ruler.(变为否定句） I think it is a very nice film(否定句) It is a photo of my family【改为否定句】 it is a small white dog改为否定句 I think it is a wonderful place.(改为否定句) it is a big ball.改为否定句