There are some trees in the school.变为否定句、一般疑问句并做肯定及否定回答 急

问题描述:

There are some trees in the school.变为否定句、一般疑问句并做肯定及否定回答 急

There aren't any trees in the school.
Are there any trees in the school?
Yes,there are.No,there aren't.running a race. 用它提问主语是谁啊?They're running a race.Are they running a race?Yes, they are. No, they aren't.They aren't running a race.