Is there a cure for cancer?
Yes, there is.
Is there a sixth sense?
Yes, there is.
Is there a company called Apple?
Yes, there is.
Are there any volunteers?
Yes,there are.
Are there any rules to follow?
Yes,there are.
Are there any health risks?
Yes,there are.
Was there a book on the desk?
Yes, there was.
Was there an apple in the bag?
Yes, there was.
Was there a knife in his hand?
Yes, there was.
Were there any books on the desk?
Yes, there were.
Were there any apples in the bag?
Yes, there were.
Were there any knives in his hand?
Yes, there were.
希望可以帮到你!