My sister is (looking at the photo) now.否定句：一般疑问句及回答：对扩号里的提问（特殊疑问句
问题描述：
My sister is (looking at the photo) now.
否定句：
一般疑问句及回答：
对扩号里的提问（特殊疑问句
答
你好，同学
否定句：
My sister isn't looking at the photo now.
一般疑问句：
Is your sister looking at the photo now?
肯定回答：Yes, she is.
否定回答：No, she isn't.
对括号里提问：
What is your sister doing now?
希望能帮到你，祝更上一层楼O(∩_∩)O
有不明白的请继续追问，可以详谈嘛(*^__^*)
答
Is your sister looking at the photo now?
Yes,she is.
No,she isn't.
What is your sister doing now?