Are the children doing their homework at the moment?的肯定回答 at the moment是什么时态的标志?

问题描述:

Are the children doing their homework at the moment?的肯定回答 at the moment是什么时态的标志?
Are the children doing their homework at the moment?的肯定回答是什么?
at the moment是什么时态的标志?

答案为Yes, they are.
at the moment为现在进行时的标志词.
其实这个题目只需要看主语和助动词就可以做肯定回答,不必纠结是哪种时态