What does she do in the morning 和 What is she doing now 前句用 does _英语解答

What does she do in the morning 和 What is she doing now 前句用 does 后句用is ,为什么?

人气：450 ℃　时间：2019-09-26 14:36:47

解答

1 第一句是一般现在时,主语是三单she,实义动词DO作谓语,疑问句要加助动词does
2 第二句是现在进行时：be +doing sth 主语是SHE,故BE 要用is