题目内容：

kitty and Ben have lunch at about twelve.和Danny,open the door.(改为现在进行时）

优质解答

Kitty and Ben are having lunch now.
Danny is opening the door ( now).
现在进行时结构：am/is/are + doing (现在分词）

追问：

she works in the a hospital.(改为现在进行时）

追答：

She is working in the hospital.