The girl with glasses is my sister对the girl with glasses划线提问可是is前面有两根横线
问题描述：
The girl with glasses is my sister对the girl with glasses划线提问
可是is前面有两根横线
答
Who is your sister?
答
which （one） is your sister？
答
Which girl is your sister?
答
Who is your sister？
答
Who is your sister?你的姐姐是谁?